the opponent based on motion and the like, as mentioned above.

We say: The second way to establish the aforementioned premise is to say that the consensus of the Muslims is authoritative proof. How much more so, then, is the consensus of all nations—Muslims, Jews, Christians, polytheists, and others? Whoever believes that nations of different faiths and ethnicities can agree on such a matter, without any particular factor bringing them to that agreement, and yet be mistaken, has undoubtedly not only impugned the consensus of the Muslims: his reason is as unsound as his religion. For he has allowed that all earlier and later generations may be mistaken while he alone is correct.

This is like everyone reporting that they have seen the crescent moon, while some people claim that their senses are mistaken and that there is no crescent there; or everyone reporting that they have seen a celestial body, heard a sound, or tasted some food, while someone challenges what the various nations report of these things. For this is among