The Gospel of Thomas
84. Jesus said, "When you see your likeness, you are happy. But when you see your images that came into being before you and that neither die nor become visible, how much you will have to bear!"
The Nag Hammadi Library,The Gospel of Thomas,Translated by Stephen Patterson and Marvin Meyer,These are the secret sayings that the living Jesus spoke and Didymos Judas Thomas recorded. And he said, "Whoever discovers the interpretation of these sayings will not taste death."