Galatians 4:11
Brethren, I beseech you, be ye as I am; for I also am as ye were: ye have not injured me at all.
1 Thessalonians 3:5
Therefore when I could bear no longer, I sent to know your faith, left by any means the tempter should have tempted you, and our labour be in vain.
Galatians 2:2
I went up by revelation, and explained to them the gospel, which I preach among the Gentiles; but severally to those of eminence, lest by any means I should run, or should have run in vain.
Acts 16:6
And having gone through Phrygia and the region of Galatia, being forbid by the Holy Ghost to preach the word in Asia,
1 Corinthians 15:58
Therefore, my beloved brethren, be ye stedfast, unmovable, always abounding in the work of the Lord, knowing that your labour is not vain in the Lord.
2 Corinthians 11:2-3
For I am jealous over you with a godly jealousy; for I have espoused you to one husband, that I may present you as a chaste virgin to Christ.
2 Corinthians 12:20-21
For I fear lest when I come, I should not find you such as I would, and lest I should be found by you such as ye would not: lest there should be contentions, envyings, wraths, strifes, backbitings, whisperings, swellings, tumults, Lest my God should humble me when I come to you again,
Galatians 4:20
I could wish to be present with you now, and to change my voice; for I stand in doubt of you.
Galatians 5:2-4
Behold, I Paul say unto you, If ye be circumcised, Christ shall profit you nothing.
Philippians 2:16
Holding fast the word of life, that I may glory in the day of Christ, that I have not run in vain, neither laboured in vain.
2 John 1:8
This is the seducer and the antichrist. Look to yourselves, that we lose not the things we have wrought, but receive a full reward.