Imam Tahawi’s al-Aqidah, representative of the viewpoint of ahl-al-Sunnah wal-Jama’ah, has long been the most widely acclaimed, and indeed indispensable, reference-work on Muslim beliefs. Being a text on Islamic doctrines, this work draws heavily on arguments set forth in the Holy Qur’an and Sunnah. Likewise, the arguments advanced in refuting the views of sects that have deviated from the Sunnah are also taken from the Holy Qur’an and Sunnah. He lived 239-321 A.H., an epoch when both the direct and indirect disciples of the four Imams – Imam Abu Hanifah, Imam Malik, Imam Shafi’i and Imam Ahmad bin Hanbal – were teaching and practicing. This period was the zenith of Hadith and fiqh studies, and Imam Tahawi studied with all the living authorities of the day.