John 21:21-23 NIV

21 When Peter saw him, he asked, "Lord, what about him?"
22 Jesus answered, "If I want him to remain alive until I return,1 what is that to you? You must follow me."2

References for John 21:22

23 Because of this, the rumor spread among the brothers3 that this disciple would not die. But Jesus did not say that he would not die; he only said, "If I want him to remain alive until I return, what is that to you?"

References for John 21:23