But by the grace of God I am what I am, and his grace toward me has not been 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.
Therefore, my beloved brothers and sisters, be steadfast, immovable, always excelling in the work of the Lord because you know that in the Lord your labor is not in vain.
I went up in response to a revelation. Then I laid before them (though only in a private meeting with the acknowledged leaders) the gospel that I proclaim among the gentiles, in order to make sure that I was not running, or had not run, in vain.
We also constantly give thanks to God for this, that when you received the word of God that you heard from us you accepted it not as a human word but as what it really is, God’s word, which is also at work in you believers.
For this reason, when I could bear it no longer, I sent to find out about your faith; I was afraid that somehow the tempter had tempted you and that our labor had been in vain.