For to their power, I bear record, yea, and beyond their power they were willing of themselves;
2 Corinthians 10:14
For we stretch not ourselves beyond our measure, as though we reached not unto you: for we are come as far as to you also in preaching the gospel of Christ:
2 Corinthians 10:16
To preach the gospel in the regions beyond you, and not to boast in another man's line of things made ready to our hand.