1 Corinthians 9:25, 27
1 Corinthians 9:25 ASV
And every man that striveth in the games exerciseth self-control in all things. Now they do it to receive a corruptible crown; but we an incorruptible.
1 Corinthians 9:27 ASV
but I buffet my body, and bring it into bondage: lest by any means, after that I have preached to others, I myself should be rejected.