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Showing posts with label Fundamentals 2006. Show all posts
Showing posts with label Fundamentals 2006. Show all posts

060203P - PROPHETIC MEDICINE

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Paper Presented by Professor Dr Omar Hasan Kasule Sr. MB ChB (MUK), MPH (Harvard), DrPH (Harvard) Professor of Epidemiology and Islamic Medicine at Universiti Brunei Darrussalam at the Annual Health Islamic Conference held at Faculty of Medicine University of Indonesia Jl Salemba Raya No 6 Jakarta Pusat held on 3-5 February 2006 and organized jointly by Forum Ukhuwah Lembaga Dakwah Facultas Kedoketran se-Indonesia and Forum Studi Islam Kedokteran Universitas Indonesia.


A. BASIC CHARACTERISTICS OF PROPHETIC MEDICINE
Definition: Tibb Nabawi refers to words and actions of the Prophet with a bearing on disease, treatment of disease, and care of patients. Thus also included are words of the prophet on medical matters, medical treatment practiced by others on the prophet, medical treatments practised by the prophet on himself and others, medical treatments observed by the prophet with no objections, medical procedures that the prophet heard or knew about and did not prohibit, or medical practices that were so common that the prophet could not have failed to know about them.  The prophet's medical teachings were specific for place, population, and time. They however also included general guidance on physical and mental health that is applicable to all places, all times, and all circumstances. Tibb nabawi is not one monolithic or systematic medical system as some people would want us to believe. It is varied and circumstantial. It covers preventive medicine, curative medicine, mental well-being, spiritual cures or ruqyah, medical and surgical treatments. It integrates mind and body, matter and spirit.

Search for cures: The Prophet enunciated a basic principle in medicine that for every disease there is cure (ma anzala allahu daa; illa anzala lahu shifa'a- Kitaab al Tibb, al Bukhari).  This is an impetus for us to look for remedies. Thus the prophetic medical tradition does not stop at only the medical teachings of the prophet but goes beyond to encourage humans to search and experiment with new treatment modalities. This implies among other things that prophetic medicine is not static. There is room for growth and even breaking new ground. Al Habba al Saudaa was recommended by the Prophet as a general treatment and has been studied extensively. Another implication of this hadith is that seeking treatment does not contradict qadar (pre-determination). Thus both the disease and its treatment are part of qadar.

B. SOURCES OF TIBB NABAWI
Pre-Islamic Arab Medicine: Tibb nabawi has several sources: revelation, wahy; empirical experience of the prophet, folk medicine of that time in the Arabian Peninsula and it is possible that some medical knowledge of other communities could have been known in Makka or Madina at the time of the prophet.

The Qur’an: a source of tibb nabawi: Tibb Qur’ani refers to verses of the Qur’an that relate to diseases of the body and the mind and their treatment.  The Qur’an talks about physical ill health[1] and mental ill-health/diseases of the heart[2]. Ultimate cure of diseases is from Allah[3]. The Qur’an itself is a cure[4]. It contains supplications for good health as well as guidances on specific therapy such as honey[5], eating only hood halal food avoiding unhealthy haram food[6] and not in excessive amounts[7]. The Qur’an has many medical teachings that could be called Tibb Qur’ani. Tibb Qur’ani is more appropriately related to general principles of a balanced life style that the Qur’an enunciated rather that specifics of scientific explanations for Qu’ranic verses related to medicine (such as contagion, adwah; alcohol, creation, and saum) or establishing medicinal value of plants (zaitoon, tiin, dates, milk, and fruits) mentioned in the Qur’an as food but not as cures. Such an approach usually lacks scientific rigor or accuracy and have creates more confusion than clarity.  It can also mislead some people into thinking that they know the full reasons behind a certain Qur’anic injunction based on scientific medical evidence. Unless clearly stated in the Qur’an itself or by authentic Sunnah, the reasons behind Qur’anic injunctions are unknowable to us with certainty.  All we can do is research and make Ijtihad, we could be right or wrong. We must have the humility to realize that we may not reach the whole truth and the scientific explanations that we propose may be wrong or may be only part of the explanation. The Qur’an is not a textbook of medicine but a book of moral guidance. It contains basic information and guidance on medical matters leaving the room open for humans to undertake research and fill in the details. Confining medicine to only the teachings in the Qur’an would make it very limited because the Qur’an is very selective in coverage of details leaving the field open to humans to observe, search for an understand Allah’s signs on earth. Such constraints on the concept of Islamic Medicine would also discourage further research and scientific exploration.

Hadith as a Source of Tibb Nabawi
The following were the forms of prophet’s medical teachings: words of the prophet on medical matters, medical treatment practiced by others on the prophet, medical treatments observed the prophet with no objections, medical procedures that the prophet heard/knew about and did not prohibit. The total number of hadiths on medicine is about 300; many do not reach the degree of hasan. Bukhari in his Sahih narrated 129 hadiths directly related to medicine. He devoted two books to medicine: kitaab al tibb and kitaab al mardha. There are many other hadiths in Bukhari indirectly related to medicine. Other books of hadith also narrate more hadiths with relevance to medicine. Scholars have collected these hadiths together and some have related them to available medical knowledge.
Hadiths on physical remedies are either wahy or based on empirical experience. In most cases we cannot distinguish between the two sources unless there is a specific indication that wahy is involved such as in the hadith of using honey in treating an abdominal ailment of a brother of a companion[8]. Thus hadiths that are not specifically wahy are not binding, ghair mulzimat. However all hadiths on spiritual cures of disease are wahy and are binding, mulzimat. 

Books on Tibb Nabawi[9]
Many books have been written about tibb al nabawi down the centuries. Books with the title al Tibb al Nabawi were written by Ibn al Qayyim al Jawziyyat (d. 751H / 1350 M), al Hafidh Abu Abd al llaah Shams al Ddiin Muhammad bin Ahmad al Dhahabi (d. 748H), Abu al Qasim al Husain bin Muhammad bin Habiib al Naisapuuri (d. 206H), Abu al Sunni Abu Bakar Ahmad bin Muhammad al Dainawiri (d. 364H), Abu Nu’aim Ahmad bin Abd al llaah al Asfahani (d. 430H), Abu al ‘Abbaas Ja’afar bin al Mu’utazz al Mustansiri (d. 433H), Dhia al Ddiin Muhammad bin ‘Abd al Waahid al Maqdasi (d. 643H), Shams al Ddiin Abu Abd al llaah Muhammad bin Abi al Fath al Ba’ali (d. 709H), Abu Abd al llaah Muhammad bin Yusuf al Sanuusi (d. 895H), Abu al Hasan Nur al ddiin Ali Bin Muhammad al Jazaar al Masri (d. 914H), Qaysuufi Zaadet Muhammad Badr al Ddiin (d. 1020H), Abd al Waziir al Abhari. Jamaal al Ddiin Daud,
Mukhtasar al tibb al nabawi was written by Jalaluddin al Suyuti. Al Ahkaam al Nabawiyyat fi al sina’at an tibiyyat was written by the physician ‘Ali bin Tarkhaan. Kitaab al tibb fi al hadiith by Abu ‘Ubaid bin al Hasan al Harraani (d. 369H). Al Ahkaam al Nabawiyyah fi al sina’at al tibiyyat by Ali bin Abd al Karim al Hamawi (d. 720H). Al Rahmat fi al Tibb wa al Hikmat by Mahdi bin Ali al Sabiiri (d. 815H), al Sayr al Qawi fi al Tibb al Nabawi by Muhammad bin And al Rahman al Sakhaawi (d. 902H), Al Manhaj al Sawi a al Manhal al rawi fi al Tibb al Nabawi by Jalal al Ddiin Abd al Rahman bin Abu Bakar al Suyuti (d.911H). Al Rahmat fi al Tibb wa al Hikmat by Jalal al Ddiin Abd al Rahman bin Abu Bakar al Suyuti (d.911H). Rawdh al Insan fi Tadaabiir Sihhat al Abdaan by Khair al Ddiin Khidhr bin Mahmud al ‘Atuufi al Murzaifuuni (d. 948H). Al Masaabih al Sunniyyat fi Tibb Khair al Bariyyat by Shihaab al Ddiin Abu al ‘Abbaas Ahmad bin Ahmad bin Salamah al Qalyuubi (d. 1069H). Sihhat Aabaad by Othman Zadeh Taa ib Ahmad (d. 839H). Mukhtasar al Tibb al Nabawi by Mur’ish ZadehQudduus Ahmad Affendi (d. 1265H).

Need for New Books on Tibb Nabawi
In his book, A Tibb al Nabawi, Imaam Ibn al Qayim al Jawziyat mentions many medical conditions for which the Prophet provided guidance. He interpreted the hadiths using the available medical knowledge of his day. This book needs rewriting and it will look very different if written interpreting the prophetic traditions using today's medical knowledge. With modern medical knowledge we can identify more hadiths with relevance to medicine than was possible in the past.

C. CLASSIFICATION OF TIBB NABAWI:
Preventive Tibb Nabawi
The classification of traditions relating to medicine depends on the state of knowledge and changes with time and place. Jalaluddin al Suyuti published a book on tibb nabawi and divided medicine into 3 types: traditional, spiritual and preventive. Most of tibb nabawi is preventive medicine which is a very advanced concept given the level of scientific knowledge at the prophet's time and certainly must have been divinely inspired. Al Suyuti (1994) listed preventive medical measures such as food and exercise. Other preventive measures taught in hadith include: quarantine for epidemics, hijr sihhi, forbidding urination in stagnant water, bawl fi mai raqid, use of tooth stick, siwaak, precautions in the house at night: fire & pests, leaving a country because of its water and climate, marriage and mental health, marriage and sexual health, dietary control to avoid excesses[10], cleanliness and avoiding filth. Recitation of the Qur’an has beneficial physiological effects[11].

Spiritual Tibb Nabawi
Study of tibb nabawi reveals that there are spiritual aspects of healing and recovery. Prayer, dua, recitation of the Qur’an, and remembrance of Allah play a central role. Psychosomatic diseases could respond to spiritual approaches. The use of ruqyat (surat al fatiha, al mu’awadhatain) falls between physical curative and spiritual. The curative part of ruqyat can be understood in modern terms in the way the psyche can modulate immune mechanisms that protect against disease.

Curative Tibb Nabawi
Ibn Qayim al Jawziyat listed many diseases with their recommended treatments from tibb nabawi. Diseases in tibb nabawi treatable by natural remedies: fever, humma;  bowel movements, istitlaq al batan; dropsy, istisqa; wounds, jarh; epilepsy, sar’a; sciatica, ‘irq al nisa; temperaments, tabau’; skin itch, hakk al jism; pleurisy, dhaat al janb;  headache and hemicrania, sidau and shaqiiqat; inflammation of the throat, ‘adhrat;  enlargement of the heart, al maf’uud; ophthalmia, al ramad; catalepsy, khudran al kulli; pimples, bathrat; skin eruptions, awraam;  food poisoning, sum;  witchcraft, sihr; and head lice. He also mentioned other diseases like: plague, leprosy, eye diseases, throat and tonsils, diarrhea, abdominal disease, fever, plague, snake bite, scorpion bite, food contamination by a fly, headache, nose bleeds, teeth, cough, dropsy, sprain, fracture, bite by rabid dog, and the evil eye. The medical treatments mentioned were honey, al 'asal; cold water for fever, al mau al barid; diet, ghadha;  milk, al laban;  camel milk; camel urine. The black seed, al habba al sauda,  was especially emphasised. The surgical treatments mentioned were: cupping, al hijaam;  cauterization, al kayy;  venesection with cauterization, qatiu al uruuq wa al kayy.

D. APPLICATION OT TIBB NABAWI TODAY
General Considerations
There are 3 aspects that we have to deal with regarding modern application of tibb nabawi. (a) is tibb nabawi part of the sharia? (b) what is the scope of tibb nabawi? (b) spatio-temporal changes (c) empirical research on tibb nabawi.

Tibb Nabawi as Part of the Shari’at:
A correct answer to this question requires clarifying the very concept of shariat. The regulations about salat, menstruation, and toilet hygiene are part of the shariat rules that are immutable and there is no dispute about them. There are other regulations about the government, ahkam sultaniyat, that are part of the shariat but that change with circumstances. We can therefore distinguish two parts of the shariat: (a) fixed and immutable and applicable to all places and times and (b) fixed general principles whose details of application change with place and time. If we take the meaning of shariat in (b) above we can conclude that prophetic medicine is part of Islamic shariat that can change and grow using ijtihad and empirical research to apply general shariat principles to changing circumstances.

Scope of Tibb Nabawi
Tibb Nabawi as reported to us did not cover every conceivable disease at the time of the Prophet neither can it cover all ailments today or in the future in various parts of the world.  This is easy to understand from the context that although the Prophet practiced medicine, his mission was not medicine and he was not a full-time physician.  The hadiths of the Prophet should not be looked at as a textbook of medicine.  They should be used for the diseases that they dealt with.  The proper way to get additional medical knowledge is through research and looking for signs of Allah in the universe[12].

Spatio-Temporal Changes
Whatever the Prophet said or did was valid and must be followed because he never uttered any untruth even when joking. The ijtihad of the prophet even in worldly matters was protected, ma'suum. The Qur'an and hadith have records of divine intervention to comment on the prophet's ijtihad on worldy matters such his advice on some aspects of agriculture that he later withdrew. Thus the record of authentic hadith that we have is valid whether in 'aqidat or worldly matters.  The attempt to distinguish between the medical teachings of the prophet-messenger and as a human living in Arabia at a particular historical epoch is not easy and is of no practical significance.  The question is whether all or some of the tibb nabawi should be used today.  If the diagnosis of a disease and all the circumstances surrounding it are exactly like those at the time of the Prophet, then we have no hesitation in saying tibb nabawi should be used. In actual practice it is difficult to ascertain that the conditions are the same.  Changes in disease pathology, changes in the genetic pool of the patients, changes in the genetic pool of the medicinal plants, weather and climatic conditions are among many variables that may make a particular remedy recommended by the Prophet not appropriate for a medical condition today. The circumstances of time and place have changed. Indiscriminate use of the historical remedies could be using the right drug for the wrong disease. There is even a more serious linguistic problem. The meaning of words has changed. What was called fever in the 1st century AH may not be the same as the meaning of the same world today. Even medicinal plants like the black seed may not be exactly the same plant. We can therefore conclude that the teachings of tibb nabawi can only be a foundation to guide and encourage scientific research for remedies that are suitable for our times.

Empirical Research on Tibb Nabawi:
There is a lot of scientific interest in prophetic teachings on medicine. In Egypt for example many institutions are involved in research on traditional remedies: universities, the National Research Center, the Desert Institute, and the Horticultural Department of the Ministry of Agriculture. Many medicinal plants including the black seed have been investigated extensively and have been commercialized[13]. The black seed (nigella sativa) is an example of a prophetic remedy that has been studied extensively by both Muslims and non-Muslims. Animal research has shown that the black seed is a potent anti-hypertensive[14] and respiratory stimulant[15]. It was shown to act against bacterial infection in mice[16]. Al-Awadi et al (1991) studied the effect of a plant mixture including black seed on liver gluconeogenesis in rats with induced diabetes[17]. Salomi et al (1991) studied the inhibitory effects of the black seed on chemical carcinogenesis in rats[18]. Nair et al (1991) studied the modulatory effect of the black seed on toxicity in rats induced by a cis-platinum, a cancer treatment drug[19]. Keshri et al (1995) studied the post-coital contraceptive effects of the black seed in rats[20]. El-Dakhakhny (1965) studied the pharmacological properties of the black seed. Toppozada et al (1965) studied the antibacterial properties of the black seed with clinical applications[21]. El-Fattary (1975) isolated and described the anti-bacterial principles from the black seed[22]. Chakravarty (1993) studied the inhibition of histamine release from mast cells by the black seed[23]. Salomi et al (1992) studied the anti-tumor activity of the black seed[24]. Human studies of the black seed have also been undertaken. Akhtar et al (1991) studied the effect of the black seed on nematode worm infection in children[25]. Haq et al (1995) studied the effect of the black seed on human lymphocytes and polymorphonuclear leucocyte phagocytic activity[26]. Laboratory studies provided scientific support for the traditional use of the black seed and its derived products as a treatment for rheumatism and related inflammatory diseases[27]. The study of the black seed as a medicine has even extended to its side effects since no medicine however useful is free from side effects. Steinmann et al (1997) recorded occurrence of contact dermatitis after topical use of the black seed[28]. Tennekoon et al. (1991) studied the possible hepato-toxicity of the black seed[29]. Dr Ahmad El Kadhi (1986) identified immune enhancing capability of the black seed, garlic, and bee honey and started using them in the treatment of advanced cancer[30].

E. CONCLUSION AND FUTURE CHALLENGES
From the survey above we can conclude that tibb nabawi is an authentic and valid medical system. The general principles of this system are applicable at all times and all places. The specific remedies taught by the Prophet (PBUH) are valid and useful. They however can not be used today without undertaking further empirical research.

FOOTNOTE
1 (2:196, 24:61, 48:17, 2:184/5, 1:196, 4:43)
2 (10:57, 2:10, 74:31, 24:48, 2:48, 74:31, 24:50, 22:53, 33:32, 17:52)
3 (26:80)
4 (17:82)
5 (16:69)
6 (2:168, 2:172-173, 6:118-119, 6:121, 6:145-146, 16:114-118, 5:2, 5:4-6)
7 (5:90)
8 (  )
9 Dr Akmal al Ddiin Ihsan Oglu in Proceedings of the 4th International Conference of Islamic Medicine 9-13 November 1986M pages 159-163.
10   Araf:31
11   ffect of Reciting Qur’an on Physiology by Ahmad al Qadhi Proceedings of the 3rd International Conference of Islamic Medicine 26 September – 2nd October 1984M.
12  (2:164, 3:190, 10:5-6, 30:20-27, 39:59, 51:20-23)
13  (Sayed 1980)
14  (Tahir et al. 1993)
15  (Tahir at al 1993)
16  (Hanafy  et al. 1991)
17  Al-Awadi et al (1991)
18  Salomi et al (1991)
19  Nair et al (1991)
20  Keshri et al (1995)
21  Toppozada et al (1965)
22  El-Fattary (1975)
23  Chakravarty (1993)
24  Salomi et al (1992)
25  Akhtar et al (1991)
26  Haq et al (1995)
27  Houghton et al (1995)
28  Steinmann et al (1997)
29  Tennekoon et al. (1991)
30  Ahmad El Kadhi. Use of Natural Immune Enhancers in the Treatment of Far-advanced cancer. Proceedings of the 5th International Conference on Islamic Medicine, Kuwait 1988.


060816L - CREATION OF THE HUMAN: RELATION TO SCIENCE AND ETHICS:

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Background reading material for Year 1 Medical students for PPSD session on 16th August by Professor Omar Hasan Kasule Sr.


CREATION OF HUMANS
Humans were created after animals and plants. Humans were created de novo as humans. All humans have a common biological origin and are different from other creations. Human creation was a deliberate and not a random or accidental event. It was revolutionary and not evolutionary. Evolution by natural selection is denial of the existence of a Creator. Parity found in human creation is part of the general phenomenon of parity found in other creations: in animals, in plants, and in physical phenomena like day and night.

UNIQUENESS OF HUMAN CREATION
Human creation is optimal in structure and function. It is beautiful, orderly, harmonious, organized, and precise. It is superior to and is honored above all other creations. It is unique and the most sophisticated. The human is dual being both body and soul; matter and spirit. Humans carry responsibility while all other creations do not. Humans were placed at the top of the food pyramid and all other creations were made subservient to them.

NATURE OF THE HUMAN
Humans were created in a perfect natural state. This is the best state both biologically, morally, socially, and psychologically. It however can be degraded or distorted by human behavior biologically, and morally. Both nature and nurture play a role in human action and behavior. The relative role of each varies according to what aspects of human biology and behavior are being considered. The basic human nature enables humans to know the bad from the good in most cases. Humans have innate strengths and weaknesses in their nature. Humans are dualistic in mature having a material part (the body) and a non-material part (the soul or spirit). Thus human behavior is under dual control. Humans live in the empirical world of the seen world. Their interaction with the unseen world can only be through religious media. It is a unique duality of the human that he has both negative attributes such as aggression and positive attributes such as gratitude. The most important attribute of humans is intelligence that is highly developed, sophisticated, specialized, and capable of abstract thought and problem solving.

HUMAN SUPERIORITY
Humans are superior to all other creations because of their intellect, a free will, a sense of responsibility, and a sense of moral guidance. Superior intellect is due to a better-developed and sophisticated cerebral cortex. The intellect enables humans analyze, understand, and expand knowledge through research. The intellect enables humans control their physical environment. Closely related to intellect is the power of speech and communication that enables humans to carry out social intercourse and thus succeed in living in families and communities. Human intellect can be used positively or can be used for destruction of society and the ecosystem.

DIVERSITY OF HUMANS
All humans have a common biological origin based on DNA. They also have a common social origin and human cultures resemble one another in many ways. Variations in body structure and skin color are used to identify 3 human races: mongoloid, negroid, and caucasoid. Variations exist within each race. All humans regardless of race are from the same species and can interbreed. Humans vary by gender, race, customs, language, and social organization.


060816L - CREATION OF THE UNIVSERSE: RELATION TO SCIENCE AND ETHICS:

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Background reading material for Year 1 Medical students for PPSD session on 16th August by Professor Omar Hasan Kasule Sr.


THE UNIVERSE
Everything in the universe was created. The universe consists of the earth, the sky, the space that encloses them both, and the space between them. It includes the stars, the planets, comets, galaxies, meteors, empty space, human and other all forms of life. The earth and its contents were created before creation of humans. About 70% of its surface covered with water. Only a very small part of the earth’s surface, called the biosphere (soil and atmosphere), supports life. The universe is expanding. The galaxies are moving away from one another at a speed of thousands of miles a second.

ULTIMATE QUESTIONS
There are ultimate questions that are: start of creation, end of creation, purpose of creation, and the ultimate destiny of the human. Answers to these questions are found in metaphysics (understanding ultimate reality by reason), various religious beliefs, folklore, and empirical science.

SIGNS IN THE CREATION
Study of science especially medicine is part of observation and reflecting on creation. It enables us discover many secrets of creation and many signs in the universe for education, intellectual growth and development. The creation of everything in pairs, the creation of opposites, symmetry, and harmony are some of the constant features of the universe that convince the human that there must be a grand design behind all this creation.

PHYSICAL LAWS
The physical laws such as the law of gravity accurately describe phenomena that appear complicated and very detailed. They serve as a reminder that the empirical world is simple and straightforward running on a few basic principles and paradigms. They serve as a basis for predictability of empirical phenomena. They explain the consistency, repetition, parity, symmetry, harmony, co-ordination, and purposive ness of physical phenomena in the universe. Even apparent differences and exceptions follow some fixed laws. The purpose of all scientific investigation is to find these laws, understand them, and use them for the benefit of humans.

ORDER
The universe is orderly, systematic, harmonious, and predictable. The human body in its gross and microscopic anatomy is a reflection of a high level of order. There is organizational order in all physiological functions. Existence of orderly relationships is the basis of medical treatment. If the chemical reactions were not predictable and orderly, each instance of disease would require new research to discover the right medicine for it. Scientific research would not be possible if there was no order in the universe. The universe has a stable state to which it returns after temporary disturbances. This state is referred to as homeostasis in physiology.

CHANGE
Only the Creator is permanent. Everything else changes continuously and change is a constant phenomenon in the universe. Changes are regulated and are coordinated. They follow a system. Changes are not chaotic. They follow a fixed predictable order.

BALANCE and EQUILIBRIUM
Even with changes the universe maintains a balance or equilibrium which is the average or the normal expectation. The law of action and reaction is necessary to restore and maintain order. Being objective allows humans to maintain order. Minimizing changes and maintaining constancy is desirable in some physical phenomena in order to maintain order. The Creator allows changes because rigid constancy would not allow response and adjustment to changing circumstances.


060917P - PURIFICATION OF THE SELF, Tazkiyat Al Nafs

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After salat fajr talk at Kano on 17th September 2006 by Prof Dr Omar Hasan Kasule Sr. MB ChB (MUK), MPH, DrPH (Harvard) Professor of Epidemiology and Islamic Medicine, University of Brunei Darussalam. WEB: http://omarkasule.tripod.com


PERSONALITY, al nafs
Personality is the totality of behavior of an individual. People’s personalities differ. An individual has both positive and negative personality traits. The exceptionally good and strong personalities are rare. The essence of a person and personality is the nafs and not the physical body. A human being is born in a natural state of purity, fitrat al Islam. The potential to do good or bad exists at the beginning. It is the early environment that determines how those potentials are enhanced. The states of the nafs in increasing grades of perfection are: nafs ammarah, nafs lawamah, and nafs kamilat that manifests in 5 ways: nafs mulhamah; nafs qanu’ah, nafs mutma’inna, nafs radhiyah, and nafs mardhiyat. Besides the nafs, personality is determined by biological inheritance, the physical environment, the culture, socialization, group and unique individual experiences. Basic personality is established early in life and only minor modifications can be made to it in later life. This underlies the importance of education and training in childhood when personality is still malleable. Personality improves through spiritual and intellectual development. Personality can be polluted by diseases of the heart such as covetousness, passion, pride, evil, hiwa al nafs, and waswasat. These pollutants may have inner promptings within the human that are encouraged by external social influences.

CONCEPT OF TAZKIYAT
Prophets were sent to ensure tazkiyat for humans. Tazkiyat is fulfillment and return to the first covenant between humans and Allah. Tazkiyat, as a basis for development and improvement of personality, is a long, pro-active, and uphill task whose road map is the Qur’an. Correct and firm ‘aqidat, ‘ibadat, avoiding the forbidden, generally being conscious of the creator, and constant meditation about creation are paths to tazkiyat that lead to development and improvement of personality, good character, good behavior, assertiveness, and self-confidence. Living in a righteous community is necessary to motivate and encourage tazkiyat. Islam is a practical religion. Achievement of purity is through action.

METHODOLOGY OF TAZKIYAT
Tazkiyat is based on ikhlaas, sidq, istislam, and  tadharu'u. Tazkiyat is answering the call of Allah by sticking to the straight path, renouncing materialism, constant vigilance against shaitan. Tazkiyat can be achieved by dhikr, isti'adhat, istighfar, tasbiih, tahmiid, tahliil, dua, and physical ‘ibadat: salat, saum, and  infaq.

MODELS OF TAZKIYAT: PROPHETS and KHULAFA
Prophets were sent as human models of tazkiyat whose practical life experiences showed that a human can overcome inner weaknesses and evil tendencies to succeed in attaining a high level of purity. The Prophet Muhammad lived an exemplary life so that the companions could see and emulate the best behavior. He had the best character and his character was the Qur’an. He lived a simple life. Abubakr was the best person after the Prophet. He was siddiq and his faith was so strong that it would outweigh the faith of the rest of the ummat. Omar comes after Abubakr in virtue. Omar was so strong that the shaitan feared to follow his path. He lived a simple and hard life away from luxuries. Othman was a generous and pious who was so modest that the angels were shy of him.

MODELS OF TAZKIYAT: BELIEVERS
Believers of all generations and all places have manifested noble traits of purity of personality than can be emulated. The Qur’an has described traits of believers because Allah wanted to put before all humanity a model that could be emulated. The believers have the following spiritual traits: believing Allah's signs, responding to the call of Allah, obedience of Allah, repentance, reform, surrender to Allah, commitment, reliance on Allah, and fear in the hearts. The believers have the following social traits: keeping away from lahw, keeping the private parts from sinning, keeping promises and trusts, humility, enjoining good, forbidding evil, attesting the truth, patience, kindness, forgiving when angry; undertaking jihad, and mutual consultation. They avoid the following evil acts: homicide, fornication, false witness, friendship for those who fight Allah and the Prophet, and committing major sins. The ‘ibadat traits of believers are: dua to Allah only, establishment, maintaining, and regularity of salat, khushu'u in salat; salat at night, giving zakat and sadaqat to the poor while being moderate in giving.