1 Thessalonians 2:1
For yourselves, brethren, know our entrance to you, that it was not in vain: But even after we had suffered before,
1 Corinthians 15:2
By which also ye are saved, if ye retain 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 toward me was not in vain, but I laboured more abundantly than they all: yet not I, but the grace of God that was with me.
1 Corinthians 15:58
Therefore, my beloved brethren, be ye stedfast, unmovable, always abounding in the work of the Lord, knowing that your labour is not vain in the Lord.
2 Corinthians 6:1
We then, as fellow-labourers, do also exhort you, not to receive the grace of God in vain.
Galatians 2:2
I went up by revelation, and explained to them the gospel, which I preach among the Gentiles; but severally to those of eminence, lest by any means I should run, or should have run in vain.
Galatians 4:11
Brethren, I beseech you, be ye as I am; for I also am as ye were: ye have not injured me at all.
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
Remembring without ceasing your work of faith, and labour of love, and patience of hope in our Lord Jesus Christ, in the sight of our God and Father:
1 Thessalonians 2:13
For this cause also thank we God without ceasing, even because when ye received the word of God from us, ye received it, not as the word of men, but (as it is in truth) the word of God, who likewise effectually worketh in you that believe.
1 Thessalonians 3:5
Therefore when I could bear no longer, I sent to know your faith, left by any means the tempter should have tempted you, and our labour be in vain.
2 Thessalonians 1:10
When he shall come to be glorified in his saints, and to be admired in all that believe (now that our testimony was believed among you) in that day.
2 Thessalonians 3:1
Finally, brethren, pray for us, that the word of the Lord may run and be glorified, even as among you: