A Muslim is required to believe that Allah chose the finest amongst humanity to be Messengers whom He sent to His creation with specific legislation’s: to worship and obey Him and to establish His religion and His Oneness. Allah, the Almighty, says: And We did not send any Messenger before you [O Muhammad ()] but We inspired him [saying]: none has the right to be worshiped but I (Allah), so worship Me (Alone and none
The last of the divinely appointed messengers was Prophet Muhammad (). To him was conveyed the final and complete revelation from Allah. All the prophets preached the same basic message: the worship of Allah alone. In essence, they all preached Islam, which means willing, peaceful submission to Allah, the one true God; Creator of the universe.
The final prophet was sent by the Creator as a human model to be followed and obeyed. Prophet Muhammad () exemplified the principles laid down in the Qur’an, and true Muslims strive to follow his noble example. His biography has been recorded in minute detail and is easily accessible for study. There is a complete, authentically narrated documentation of his sayings and practices which is the second source of Islamic legislation.It is complementary to the Qur’an and supplements it with additional details and clarification of meanings.
This record contains the prophetic traditions referred to as the Sunnah. Scholars have carefully and painstakingly scrutinized the reliability of the transmitters of these traditions, and only those whose narrators are found to be completely reliable and sound are accepted.