John 13:26-28 - WEB
26
Jesus therefore answered, "It is he who I will give this morsel to when I have dipped it." So when he had dipped the morsel, he gave it to Judas, the son of Simon Iscariot.
27
After the morsel, then Satan entered into him. Jesus therefore said to him, "What you do, do quickly."
28
Now no man at the table knew why he said this to him.
Full Chapter