1 Corinthians 1:16

1:16 (I also baptized the household of Stephanus. Otherwise, I do not remember whether I baptized anyone else.)

1 Corinthians 10:31

10:31 So whether you eat or drink, or whatever you do, do everything for the glory of God.

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.