The Almighty Allah says:
And We have revealed the Book to you which has clear explanation of everything, and a guidance, mercy and good news for those who submit. (An-Nahl 16: 89)
The Qur’an contains all the correct information about religion and is a guide for individuals. The Qur’an is complete without the Sunnah, yet no one can understand the Qur’an without returning to the explanation of the Prophet (peace be upon him).
In this talk, Dr. Zakir Naik answers a question regarding the perfection of the Qur’an and the corruption of the scriptures of the Pervious Prophets.
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