1 Corinthians 9:12, 14, 18, 23
1 Corinthians 9:14 ESV
In the same way, the Lord commanded that those who proclaim the gospel should get their living by the gospel.
1 Corinthians 9:18 ESV
What then is my reward? That in my preaching I may present the gospel free of charge, so as not to make full use of my right in the gospel.
1 Corinthians 9:23 ESV
I do it all for the sake of the gospel, that I may share with them in its blessings.