1 Corinthians 15:29
"Else what shall they do which are baptized for the dead, if the dead rise not at all? why are they then baptized for the dead?"
Cross References (ranked by relevance)
1 Corinthians 15:16
For if the dead rise not, then is not Christ raised:
Matthew 20:22
But Jesus answered and said, Ye know not what ye ask. Are ye able to drink of the cup that I shall drink of, and to be baptized with the baptism that I am baptized with? They say unto him, We are able.
1 Corinthians 15:32
If after the manner of men I have fought with beasts at Ephesus, what advantageth it me, if the dead rise not? let us eat and drink; for to morrow we die.