John 6
64 Ref But there are some of you that believe not. For Jesus knew from the beginning who they were that believed not, and who should betray him.
65 Ref And he said, Therefore said I unto you, that no man can come unto me, except it were given unto him of my Father.
66 Ref From that time many of his disciples went back, and walked no more with him.
67 Ref Then said Jesus unto the twelve, Will ye also go away?
68 Ref Then Simon Peter answered him, Lord, to whom shall we go? thou hast the words of eternal life.
69 Ref And we believe and are sure that thou art that Christ, the Son of the living God.
70 Ref Jesus answered them, Have not I chosen you twelve, and one of you is a devil?
71 Ref He spake of Judas Iscariot the son of Simon: for he it was that should betray him, being one of the twelve.