John 13:5-9

After that, he poured water into a basin and began to wash his disciples’ feet, drying them with the towel that was wrapped around him. He came to Simon Peter, who said to him, “Lord, are you going to wash my feet?” Jesus replied, “You do not realize now what I am doing, but later you will understand.” “No,” said Peter, “you shall never wash my feet.” Jesus answered, “Unless I wash you, you have no part with me.” “Then, Lord,” Simon Peter replied, “not just my feet but my hands and my head as well!”