1 Corinthians 9:19-22
For though I be free from all men, yet have I made myself servant to all, that I might gain the more.
Nave's Topical Index—AKJV

2 Corinthians 12:6
For though I would desire to glory, I shall not be a fool; for I will say the truth: but now I forbear, lest any man should think of me above that which he sees me to be, or that he hears of me.
Nave's Topical Index—AKJV