Jn 6:67-71

67Jesus then said to the Twelve, “Do you also want to leave?” 68Simon Peter answered him, “Master, to whom shall we go? You have the words of eternal life. 69We have come to believe and are convinced that you are the Holy One of God.”^d 70Jesus answered them, “Did I not choose you twelve? Yet is not one of you a devil?” 71He was referring to Judas, son of Simon the Iscariot; it was he who would betray him, one of the Twelve.^e