Ὅτι ἐν μόνῳ τῷ θεῷ τὸ ἀγαθόν ἐστιν, ἀλλαχόθι δὲ οὐδαμοῦ

Hermetica. The Ancient Greek and Latin Writings which Contain Religious or Philosophic Teachings Ascribed to Hermes Trismegistus, Vol. I. Scott, Walter, editor. Oxford: Oxford University Press, 1924 (printing).