1 Corinthians 15:14, 17, 19-20
14 And if Christ has not been raised, then our preaching is in vain and your faith is in vain.
17 And if Christ has not been raised, your faith is futile and you are still in your sins.
19 If in Christ we have hope in this life only, we are of all people most to be pitied. 20 But in fact Christ has been raised from the dead