John 21:23
Then went this saying abroad among the brethren, that that disciple should not die: yet Jesus said not unto him, He shall not die; but, If I will that he tarry till I come, what is that to thee?
Cross-references
Deuteronomy 29:29
Parallel
Deuteronomy 29:29 reminds that secret things belong to God—relevant to the rumor about John's death, which Jesus did not reveal.
Mark 9:1
Parallel
Mark 9:1 contains a similar 'not taste death' saying about seeing the kingdom, paralleling the idea of remaining until Christ's coming.
Luke 9:27
Parallel
Luke 9:27 parallels Mark 9:1 with the same 'not taste death' saying, reinforcing the theme of some remaining until the kingdom comes.