1 Corinthians 15:2
15:2 and by which you are being saved, if you hold firmly to the message I preached to you – unless you believed in vain.
1 Corinthians 15:15
15:15 Also, we are found to be false witnesses about God, because we have testified against God that he raised Christ from the dead, when in reality he did not raise him, if indeed the dead are not raised.