" 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 15:10
See: Notes on 1 Corinthians by Thomas L. Constable
Publisher: Constable's Bible Study Notes
See Sermon: Grace Empowers the Best Work: 1 Corinthians 15:9-10, Part 2 by John Piper
Publisher: Bethlehem Baptist Church
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