But by the grace of God I am what I am: and his grace which was bestowed upon me was not in vain; but I labored more abundantly than they all: yet not I, but the grace of God which was with me.
All Commentaries on 1 Corinthians 15:10 Go To 1 Corinthians 15
Ambrosiaster
AD 400
Paul says all this in order to show that despite his great sins and unworthiness, the grace of God was not given to him for nothing. Commentary on Paul’s Epistles.