1 Thessalonians 3:5

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.

Galatians 2:2

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. {privately: or, severally}

2 John 1:8

Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward. {wrought: or, gained, some copies read, ye have gained, but that ye, etc.}

Philippians 2:16

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.

Galatians 4:20

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}

2 Corinthians 12:20-21

For I fear, lest, when I come, I shall not find you such as I would, and {that} I shall be found unto you such as ye would not: lest {there be} debates, envyings, wraths, strifes, backbitings, whisperings, swellings, tumults:

Acts 16:6

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,

2 Corinthians 11:2-3

For I am jealous over you with godly jealousy: for I have espoused you to one husband, that I may present {you as} a chaste virgin to Christ.