Galatians 4:11
I am afraid for you, lest I have bestowed labour upon you in vain.
1 Thessalonians 3:5
For this cause I, also, not waiting any longer, have sent to know your faith, lest by some means the tempter has tempted you and our labour is in vain.
Galatians 2:2
But I went up by revelation and communicated unto them the gospel which I preach among the Gentiles, but privately to those who seemed to be of repute, to not run, or have run, in vain.
Isaiah 49:4
But I said, I have laboured in vain; I have spent my strength for nothing, and in vain; yet surely my judgment is before the LORD and my recompense with my God.
Acts 16:6
Now passing through Phrygia and the region of Galatia, they were forbidden by the Holy Spirit to preach the word in Asia;
1 Corinthians 15:58
Therefore, my beloved brothers, be ye steadfast, unmovable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not in vain in the Lord.
2 Corinthians 11:2-3
For I am jealous over you with the jealousy of God, for I have espoused you to one husband, that I may present you as a chaste virgin to the Christ.
2 Corinthians 12:20-21
For I fear, lest, when I come, I shall not find you such as I desire and that I shall be found unto you such as ye desire not, lest there be debates, envyings, wraths, strifes, backbitings, whisperings, rumours, tumults,
Galatians 4:20
I desire 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 that if ye become 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
Look to yourselves, that we not lose those things which we have wrought, but that we receive a fulfilled reward.