Concerning the Ten Commandments, which are the Heads of the Law (35)

But the power of God, breathing forth vigorously, aroused and excited a new kind of miraculous voice, and diffusing its sound in every direction, made the end more conspicuous at a distance than the beginning, implanting in the soul of each individual another hearing much superior to that which exists through the medium of the ears. For the one, being in some degree a slower kind of external sense, remains in a state of inactivity until it is struck by the air, and so put in motion. But the sense of