1 Corinthians 9:17

9:17 For if I do this voluntarily, I have a reward. But if I do it unwillingly, I am entrusted with a responsibility.

1 Corinthians 13:7

13:7 It bears all things, believes all things, hopes all things, endures all things.

1 Corinthians 15:11

15:11 Whether then it was I or they, this is the way we preach and this is the way you believed.