1 Corinthians 9:14

9:14 In the same way the Lord commanded those who proclaim the gospel to receive their living by the gospel.

1 Corinthians 2:1

2:1 When I came to you, brothers and sisters, I did not come with superior eloquence or wisdom as I proclaimed the testimony of God.

1 Corinthians 11:26

11:26 For every time you eat this bread and drink the cup, you proclaim the Lord’s death until he comes.