Moreover...

Moreover, as well as belief in His unity, he must also believe that He is just and Wise, that He does not commit any hateful action and that He is not negligent in carrying out what is incumbent upon Him; by this belief he frees himself from fatalism and the attributing of good and bad actions to Allah, for any such notion would imply oppression of the slaves on the part of Allah ‑ may He be exalted above such a notion.

He Himself has rejected this when He says, `And your Lord is not in the least unjust to His servants.' As these two beliefs are dependent upon the existence of the Prophet and the manifestation of his miracle (namely the Qur'an, in order that false belief may be distinguished from correct belief), it is also necessary to believe in the prophet and his prophecy.

The claim of certain people that knowledge of the roots need not be based upon the evidence of the Qur'an and the body of traditions, but rather that it is enough to acquire…