1 Corinthians 3:6

3:6 I planted, Apollos watered, but God caused it to grow.

1 Corinthians 9:6

9:6 Or do only Barnabas and I lack the right not to work?

1 Corinthians 9:26

9:26 So I do not run uncertainly or box like one who hits only air.

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.