The Apostle Paul
1 Corinthians 15:10ESV·traditional attribution

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.

John Calvin Reformed @genevareformer

10. And his grace was not vain. Those that set free-will in opposition to the grace of God, that whatever good we do may not be ascribed wholly to Him, wrest these words to suit their own interpretation — as if Paul boasted, that he had by his own industry taken care that God’s grace toward him had not been misdirected.

Matthew Henry Presbyterian @wholebiblehenry

It is the apostle's business in this chapter to assert and establish the doctrine of the resurrection of the dead, which some of the Corinthians flatly denied, Co1 15:12. Whether they turned this doctrine into allegory, as did Hymeneus and Philetus, by saying it was already past (Ti2 2:17, Ti2 2:18), and several of the ancient heretics, by making it mean no more than a...

Commenting on 1 Corinthians 15:1-11

John Gill Reformed Baptist @doctorgill

But by the grace of God I am what I am,.... As he was what he was by the grace of God in a private capacity, upon a level with other Christians, being a chosen vessel of salvation, not by works, nor on account of faith, or any holiness of his, but by grace; being regenerated, called, sanctified, justified, pardoned, and adopted by it; being...