everyone whom Allah attests (1) to be truthful is truthful. Yet neither of these two (2) premises is valid according to their doctrine. For if it is impossible for Him to act for a purpose (3), it is likewise impossible for Him to manifest a miracle (4) in order to attest to someone’s truthfulness. And if He does evil, along with every kind of misguidance, sin (5), lying, and the like, then a liar could be attested to as truthful. Thus, nothing in any revealed law or religion could validly establish the truthfulness of any prophet or warner.”
The response may be given from several angles.
[First, it may be said] (6): It has already (7) been explained that most (8) of those who affirm the caliphate of the first three caliphs say that Allah acts on the basis of wisdom. Indeed, most of Ahl al-Sunnah who affirm divine decree also hold this position.
Accordingly, if (9) this position is correct, it is one of the positions of Ahl al-Sunnah; and if its negation is correct, that too is one of the positions of Ahl al-Sunnah [as well] (10). Thus, under