1 Corinthians 15
10 Ref But by the grace of God I am what I am. His grace which was bestowed on me was not futile, but I worked more than all of them; yet not I, but the grace of God which was with me.
11 Ref Whether then it is I or they, so we preach, and so you believed.
12 Ref Now if Christ is preached, that he has been raised from the dead, how do some among you say that there is no resurrection of the dead?