1 Corinthians 9:7, 17
1 Corinthians 9:7 NIV
Who serves as a soldier at his own expense? Who plants a vineyard and does not eat its grapes? Who tends a flock and does not drink the milk?
1 Corinthians 9:17 NIV
If I preach voluntarily, I have a reward; if not voluntarily, I am simply discharging the trust committed to me.