Res Gestae

Athanasius, at that time bishop of Alexandria, was a man who exalted himself above his calling and tried to pry into matters outside his province, as persistent rumours revealed; therefore an assembly which had been convoked of members of that same sect—a synod, as they call it—deposed him from the rank that he held.

For it was reported that, being highly skilled in the interpretation of prophetic lots or of the omens indicated by birds, he had sometimes foretold future events; and besides this he was also charged with other practices repugnant to the purposes of the religion over which he presided.