John 13:7-9

Young's Literal Translation

⁷ Jesus answered and said to him, `That which I do thou hast not known now, but thou shalt know after these things;'

⁸ Peter saith to him, `Thou mayest not wash my feet -- to the age.' Jesus answered him, `If I may not wash thee, thou hast no part with me;'

⁹ Simon Peter saith to him, `Sir, not my feet only, but also the hands and the head.'