1 Thessalonians 2:1
For you yourselves know, brothers, that our coming to you was not in vain.
Psalm 127:1
Unless the LORD builds the house, those who build it labor in vain. Unless the LORDwatches over the city, the watchman stays awake in vain.
Isaiah 49:4
But I said, "I have labored in vain; I have spent my strength for nothing and vanity; yet surely my right is with the LORD, and my recompense with my God."
Isaiah 65:23
They shall not labor in vain or bear children for calamity, for they shall be the offspring of the blessed of the LORD, and their descendants with them.
Habakkuk 2:13
Behold, is it not from the LORD of hosts that peoples labor merely for fire, and nations weary themselves for nothing?
1 Corinthians 15:2
and by which you are being saved, if you hold fast to the word I preached to you--unless you believed in vain.
1 Corinthians 15:10
But by the grace of God I am what I am, and his grace toward me was not in vain. On the contrary, I worked harder than any of them, though it was not I, but the grace of God that is with me.
1 Corinthians 15:58
Therefore, my beloved brothers, be steadfast, immovable, always abounding in the work of the Lord, knowing that in the Lord your labor is not in vain.
2 Corinthians 6:1
Working together with him, then, we appeal to you not to receive the grace of God in vain.
Galatians 2:2
I went up because of a revelation and set before them (though privately before those who seemed influential) the gospel that I proclaim among the Gentiles, in order to make sure I was not running or had not run in vain.
Galatians 4:11
I am afraid I may have labored over you in vain.
Philippians 2:16
holding fast to the word of life, so that in the day of Christ I may be proud that I did not run in vain or labor in vain.
1 Thessalonians 1:3-10
remembering before our God and Father your work of faith and labor of love and steadfastness of hope in our Lord Jesus Christ.
1 Thessalonians 2:13
And we also thank God constantly for this, that when you received the word of God, which you heard from us, you accepted it not as the word of men but as what it really is, the word of God, which is at work in you believers.
1 Thessalonians 3:5
For this reason, when I could bear it no longer, I sent to learn about your faith, for fear that somehow the tempter had tempted you and our labor would be in vain.
2 Thessalonians 1:10
when he comes on that day to be glorified in his saints, and to be marveled at among all who have believed, because our testimony to you was believed.
2 Thessalonians 3:1
Finally, brothers,pray for us, that the word of the Lord may speed ahead and be honored, as happened among you,
Job 39:16
She deals cruelly with her young, as if they were not hers; though her labor be in vain, yet she has no fear,
Psalm 73:13
All in vain have I kept my heart clean and washed my hands in innocence.