John 21:20-22

20Peter, turning about, seeth the disciple whom Jesus loved following; who also leaned back on his breast at the supper, and said, Lord, who is he that betrayeth thee? 21Peter therefore seeing him saith to Jesus, Lord, and what shall this man do? 22Jesus saith unto him, If I will that he tarry till I come, what is that to thee? follow thou me.