1 Thessalonians 2:1
For you yourselves, brethren, know that our entrance unto you was not vain,
Psalm 127:1
Unless the LORD builds the house, they labour in vain that build it; unless the LORD keeps the city, the watchmen watch 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.
Isaiah 65:23
They shall not labour in vain, nor give birth with fear; for their births are the seed of the blessed of the LORD, and their offspring shall be with them.
Habakkuk 2:13
Is this not of the LORD of the hosts? Therefore the peoples shall labour for the fire, and the Gentiles shall weary themselves in vain.
1 Corinthians 15:2
by which also ye are being saved if ye retain the word that I preached unto you, unless ye have believed in vain.
1 Corinthians 15:10
But by the grace of God I am what I am; and his grace towards me was not in vain, for I laboured more abundantly than they all, yet not I, but the grace of God which was with me.
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 6:1
We then, as workers together with him, exhort you also that ye have not received the grace of God 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.
Galatians 4:11
I am afraid for you, lest I have bestowed labour upon you in vain.
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.
1 Thessalonians 1:3-10
remembering without ceasing the work of your faith and labour and charity and of waiting with the hope of our Lord Jesus Christ in the sight of our God and Father,
1 Thessalonians 2:13
For this cause also we thank God without ceasing, that having received from us the word to hear from God, ye received it not as the word of men, (but as it is in truth) the word of God, which effectually works in you that believe.
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.
2 Thessalonians 1:10
when he shall come to be glorified in his saints and to be admired in all those that believe (because our testimony among you was believed) in that day.
2 Thessalonians 3:1
Finally, brethren, pray for us, that the word of the Lord may have free course and be glorified, even as it is with you,
Job 39:16
She is hardened against her young ones, as though they were not hers, not fearing that her labour is in vain,
Psalm 73:13
Verily, in vain have I cleansed my heart and washed my hands in innocency