The Apostle Paul
1 Corinthians 15:14BSB·traditional attribution

And if Christ has not been raised, our preaching is worthless, and so is your faith.

John Calvin Reformed

14. Then is our preaching vain — not simply as having some mixture of falsehood, but as being altogether an empty fallacy. For what remains if Christ has been swallowed up by death — if he has become extinct — if he has been overwhelmed by the curse of sin — if, in fine, he has been overcome by Satan?

Matthew Henry Presbyterian

Having confirmed the truth of our Saviour's resurrection, the apostle goes on to refute those among the Corinthians who said there would be none: If Christ be preached that he rose from the dead, how say some among you that there is no resurrection of the dead? Co1 15:12.

Commenting on 1 Corinthians 15:12-19

John Gill Reformed Baptist

And if Christ be not risen,.... If this is a truth, and must be taken as granted, as it must be, if there is no resurrection at all: then is our preaching vain; false, empty, delusory, unprofitable, and useless; not only that part of it which more especially concerns the resurrection of Christ, but even the whole of it; preaching Christ as the Son of...