According to the judgment of a man who respected both those sectaries, Aetius had been endowed with a stronger understanding, and Eunomius had acquired more art and learning (Philostorgius, l. viii. c. 18). The confession and apology of Eunomius (Fabricius, Bibliot. Grac. tom. viii. p. 258-305) is one of the few heretical pieces which have escaped.