Since then He speaketh His words, he that believeth and he that believeth not, believeth or believeth not God. “Hath set to His seal,” that is, “hath declared.” Then, to increase their dread, he saith, “that God is true;” thus showing, that no man could disbelieve Christ without making God who sent Him guilty of a falsehood. Because, since He saith nothing save what is from the Father, but all that He saith is His, he that heareth not Him, heareth not Him that sent Him. See how by these words again he strikes them with fear. As yet they thought it no great thing not to hearken to Christ; and therefore he held so great a danger above the heads of the unbelievers, that they might learn that they hearken not to God Himself, who hearken not to Christ. Then he proceeds with the discourse, descending to the measure of their infirmity, and saying,