Of God and His Creatures

The law given on Sinai being ordained, ordered, set forth in detail, by angels (Gal. iii, 19: Heb. ii, 2: Acts vii, 53). The angels may have been the immediate authors of the prodigies on Mount Sinai: nay, an angel there may have spoken in the place of God (Exod. xix, 16 sq.)

Of God and His Creatures: 4.1