1 Thessalonians 2:1
For yourselves, brethren, know our entrance to you, that it was not in vain:
Psalm 127:1
A Song of degrees for Solomon. Except the LORD shall build the house, they labor in vain that build it: except the LORD shall keep the city, the watchman waketh in vain.
Isaiah 49:4
Then I said, I have labored in vain, I have spent my strength for naught, and in vain; yet surely my judgment is with the LORD, and my work with my God.
Isaiah 65:23
They shall not labor in vain, nor bring forth for trouble; for they are the seed of the blessed of the LORD, and their offspring with them.
Habakkuk 2:13
Behold, is it not from the LORD of hosts that the people shall labor in the very fire, and the people shall weary themselves for very vanity?
1 Corinthians 15:2
By which also ye are saved, if ye keep in memory what I preached to 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 which was bestowed upon me, was not in vain; but I labored more abundantly than they all: yet not I, but the grace of God which was with me.
1 Corinthians 15:58
Therefore, my beloved brethren, be ye steadfast, immovable, always abounding in the work of the Lord, forasmuch as ye know that your labor is not in vain in the Lord.
2 Corinthians 6:1
We then, as co-workers with him, beseech you also that ye receive not the grace of God in vain.
Galatians 2:2
And I went by revelation, and communicated to them that gospel which I preach among the Gentiles, but privately to them who were of reputation, lest by any means I should run, or had run in vain.
Galatians 4:11
I am afraid of you, lest I have bestowed upon you labor in vain.
Philippians 2:16
Holding forth the word of life; that I may rejoice in the day of Christ, that I have not run in vain, neither labored in vain.
1 Thessalonians 1:3-10
Remembering without ceasing your work of faith, and labor of love, and patience of hope in our Lord Jesus Christ, in the sight of God and our Father;
1 Thessalonians 2:13
For this cause also we thank God without ceasing, because, when ye received the word of God which ye heard from us, ye received it not as the word of men, but (as it is in truth) the word of God, which effectually worketh also in you that believe.
1 Thessalonians 3:5
For this cause, when I could no longer forbear, I sent to know your faith, lest by some means the tempter may have tempted you, and our labor be in vain.
2 Thessalonians 1:10
When he shall come to be glorified in his saints, and to be admired by all them 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: her labor is in vain without fear;
Psalm 73:13
Verily I have cleansed my heart in vain, and washed my hands in innocence.