Galatians 4:11

"For this cause, when I could no longer forbear, I sent to know your faith, lest by some means the tempter have tempted you, and our labour be in vain."

"And I went up by revelation, and communicated unto them that gospel which I preach among the Gentiles, but privately to them which were of reputation, lest by any means I should run, or had run, in vain."

"Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward."

"Holding forth the word of life; that I may rejoice in the day of Christ, that I have not run in vain, neither laboured in vain."

"I desire to be present with you now, and to change my voice; for I stand in doubt of you. I stand...: or, I am perplexed for you"

"Then I said, I have laboured in vain, I have spent my strength for nought, and in vain: yet surely my judgment is with the LORD, and my work with my God."

"Now when they had gone throughout Phrygia and the region of Galatia, and were forbidden of the Holy Ghost to preach the word in Asia,"