10. But by God's grace I am what I am, and the grace that he gave me was not without effect. On the contrary, I have worked harder than any of the other apostles, although it was not really my own doing, but God's grace working with me.
11. So then, whether it came from me or from them, this is what we all preach, and this is what you believe.
12. Now, since our message is that Christ has been raised from death, how can some of you say that the dead will not be raised to life?
13. If that is true, it means that Christ was not raised;