1 Corinthians (1 Co) 15:12-20

But if it has been proclaimed that the Messiah has been raised from the dead, how is it that some of you are saying there is no such thing as a resurrection of the dead? If there is no resurrection of the dead, then the Messiah has not been raised; and if the Messiah has not been raised, then what we have proclaimed is in vain; also your trust is in vain; furthermore, we are shown up as false witnesses for God in having testified that God raised up the Messiah, whom he did not raise if it is true that the dead are not raised. For if the dead are not raised, then the Messiah has not been raised either; and if the Messiah has not been raised, your trust is useless, and you are still in your sins. Also, if this is the case, those who died in union with the Messiah are lost. If it is only for this life that we have put our hope in the Messiah, we are more pitiable than anyone. But the fact is that the Messiah has been raised from the dead, the firstfruits of those who have died.