John:13:6-8
rsv@John:13:6 @ He came to Simon Peter; and Peter said to him, "Lord, do you wash my feet?"
rsv@John:13:7 @ Jesus answered him, "What I am doing you do not know now, but afterward you will understand."
rsv@John:13:8 @ Peter said to him, "You shall never wash my feet." Jesus answered him, "If I do not wash you, you have no part in me."