Galatians 4:11
fear for you, lest I have bestowed labor upon you in vain.
1 Thessalonians 3:5
For this reason, when I could no longer contain my self, I sent to know your faith, lest by any means the tempter had tempted you, and our labor should be in vain.
Galatians 2:2
And I went up because of a revelation, and communicated to them the gospel that I preach among the Gentiles, but privately to those who are of reputation, lest, by any means, I should run or had run in vain.
Acts 16:6
When they had gone throughout Phrygia and the region of Galatia, being forbidden by the Holy Spirit to preach the word in Asia,
1 Corinthians 15:58
Therefore, my be loved brethren, be firm, immovable, always abounding in the work of the Lord; for you know that your labor is not in vain in the Lord.
2 Corinthians 11:2-3
for I am jealous over you with a godly jealousy: for I have betrothed you to one husband, that I may present you a chaste virgin to Christ.
2 Corinthians 12:20-21
For I fear, lest when I come I shall find you not, such as I wish, and I shall be found by you not such as you wish: lest there shall be contentions, envies, excitements, strife, evil speaking, whisperings, party spirit, disorderly conduct:
Galatians 4:20
I desire to be present with you now, and to change my tone, for I am in doubt concerning you.
Galatians 5:2-4
Behold, I Paul say to you, that if you be circumcised, Christ will profit you nothing.
Philippians 2:16
holding forth the word of life, that I may rejoice in the day of Christ, that I did not run in vain, nor labor in vain.
2 John 1:8
Look to yourselves, that we lose not the things that we have gained, but that we receive a full reward.