John 13:6-11 NIV

6 He came to Simon Peter, who said to him, "Lord, are you going to wash my feet?"
7 Jesus replied, "You do not realize now what I am doing, but later you will understand."1

References for John 13:7

      8 "No," said Peter, "you shall never wash my feet." Jesus answered, "Unless I wash you, you have no part with me."
      9 "Then, Lord," Simon Peter replied, "not just my feet but my hands and my head as well!"
      10 Jesus answered, "A person who has had a bath needs only to wash his feet; his whole body is clean. And you are clean,2 though not every one of you."3

      References for John 13:10

          11 For he knew who was going to betray him,4 and that was why he said not every one was clean.

          References for John 13:11