The research was based on information obtained from three main sources, i.e., (i) the Qur'an, which is the holy book and the principal source of guideline for a Muslim, (ii) Hadith or the sayings, reported actions and anecdotes relating the words and deeds of Prophet Muhammad, and (iii) the Sira (biography) of the prophet. Most of the earliest biographies, dating back to the second century AH, have now been translated into English and the interpretations of ...
