The Jew proceeds, after this, to state as a consequence what does not follow from the premises; for it does not follow from “His having wished, by the punishments which He underwent, to teach us also to despise death,” that after His resurrection He should openly summon all men to the light, and instruct them in the object of His coming. For He had formerly summoned all men to the light in the words, “Come unto Me, all you that labour and are heavy laden, and I will give you rest.” And the object of His coming had been explained at great length in His discourses on the beatitudes, and in the announcements which followed them, and in the parables, and in His conversations with the scribes and Pharisees. And the instruction afforded us by the Gospel of John, shows that the eloquence of Jesus consisted not in words, but in deeds; while it is manifest from the Gospel narratives that His speech was “with power,” on which account also they marvelled at Him.
Source: Against Celsus (New Advent)