Charles Ellicott Commentary 1 Corinthians 15:10

"But by the grace of God I am what I am: and his grace which was bestowed upon me was not found vain; but I labored more abundantly than they all: yet not I, but the grace of God which was with me." — 1 Corinthians 15:10 (ASV)

But by the grace of God I am what I am.—This whole verse is full of that maintenance of official dignity as an Apostle and a labourer, and of personal humility, which were characteristic of St. Paul.