[139] And I know that this illustrious oracle was formerly delivered from the mouth of the prophet. "Thy fruit has been found from me: who is wise and will understand these things? who is prudent and will know them?" [97] But I have observed, and comprehended, and admired him who causes to resound, and who himself, invisible as he is, does in an invisible manner strike the organ of the voice; being amazed also at the same time at what was uttered.