But I said, I have labored in vain, I have spent my strength for nothing and vanity; yet surely the justice [due] to me is with the LORD, and my recompense with my God.
But by the grace of God I am what I am. His grace which was bestowed on me was not futile, but I worked more than all of them; yet not I, but the grace of God which was with me.
Therefore, my beloved brothers, be steadfast, immovable, always abounding in the Lord's work, because you know that your labor is not in vain in the Lord.
I went up by revelation, and I laid before them the Good News which I preach among the Gentiles, but privately before those who were respected, for fear that I might be running, or had run, in vain.
For this cause we also thank God without ceasing, that, when you received from us the word of the message of God, you accepted it not as the word of men, but, as it is in truth, the word of God, which also works in you who believe.
For this cause I also, when I couldn't stand it any longer, sent that I might know your faith, for fear that by any means the tempter had tempted you, and our labor would have been in vain.
when he comes to be glorified in his holy ones, and to be admired among all those who have believed (because our testimony to you was believed) in that day.