Yet Isaiah, Jeremiah, and Ezekiel, are said to have seen Him, and many others. What then is that which Christ saith now? He guideth them by degrees to a philosophical doctrine, showing that with God is neither voice nor shape, but that He is higher than such forms or sounds like these. For as when He saith, “Ye have not heard His voice,” He doth not mean that God doth indeed utter a voice, but one which cannot be heard; so when He saith, “Nor seen His shape,” He doth not mean that God hath a shape though one invisible, but that neither of these things belongeth to God. And in order that they might not say, “Thou art a boaster, God spake to Moses only”; (this at least they did say, “We know that God spake with Moses: as for this fellow, we know not whence He is”— c. ix. 29 ;) on this account He spake as He did, to show that there is neither voice nor shape with God. “But why,” He saith, “name I these things? Not only have ye ‘neither heard His voice nor seen His shape,’ but it is not even in your power to assert that of which you most boast and of which you are all most fully assured, namely, that ye have received and keep His commandments.” Wherefore He addeth,