1 Corinthians 2:1; 1 Corinthians 9:14; 1 Corinthians 11:26

1 Corinthians 2:1

1 And so it was with me, brothers and sisters. When I came to you, I did not come with eloquence or human wisdom as I proclaimed to you the testimony about God.

1 Corinthians 9:14

14 In the same way, the Lord has commanded that those who preach the gospel should receive their living from the gospel.

1 Corinthians 11:26

26 For whenever you eat this bread and drink this cup, you proclaim the Lord’s death until he comes.