The Jew saith, Thou being a man, the Arian, Thou being a creature: but both say, Thou makest Thyself God. The Arian supposes a God of a new and different substance, a God of another kind, or not a God at all. He saith, Thou art not Son by birth, Thou art not God of truth; Thou art a superior creature.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: vii. de Trin. c. 23