Galatians 4:11
I am afraid of you, lest indeed I have laboured in vain as to you.
1 Thessalonians 3:5
For this reason I also, no longer able to refrain myself, sent to know your faith, lest perhaps the tempter had tempted you and our labour should be come to nothing.
Galatians 2:2
and I went up according to revelation, and I laid before them the glad tidings which I preach among the nations, but privately to those conspicuous among them, lest in any way I run or had run in vain;
Isaiah 49:4
And I said, I have laboured in vain, I have spent my strength for nought and in vain; nevertheless my judgment is with Jehovah, and my work with my God.
Acts 16:6
And having passed through Phrygia and the Galatian country, having been forbidden by the Holy Spirit to speak the word in Asia,
1 Corinthians 15:58
So then, my beloved brethren, be firm, immovable, abounding always in the work of the Lord, knowing that your toil is not in vain in the Lord.
2 Corinthians 11:2-3
For I am jealous as to you with a jealousy which is of God; for I have espoused you unto one man, to present you a chaste virgin to Christ.
2 Corinthians 12:20-21
For I fear lest perhaps coming I find you not such as I wish, and that I be found by you such as ye do not wish: lest there might be strifes, jealousies, angers, contentions, evil speakings, whisperings, puffings up, disturbances;
Galatians 4:20
and I should wish to be present with you now, and change my voice, for I am perplexed as to you.
Galatians 5:2-4
Behold, I, Paul, say to you, that if ye are circumcised, Christ shall profit you nothing.
Philippians 2:16
holding forth the word of life, so as to be a boast for me in Christ's day, that I have not run in vain nor laboured in vain.
2 John 1:8
See to yourselves, that we may not lose what we have wrought, but may receive full wages.