1 Corinthians 15:9-11 NAS

9 For I am 1the least of the apostles, aand not fit to be called an apostle, because I 2persecuted the church of God.

References for 1 Corinthians 15:9

10 But by 3the grace of God I am what I am, and His grace toward me did not prove vain; but I 4labored even more than all of them, yet 5not I, but the grace of God with me.

References for 1 Corinthians 15:10

11 Whether then it was I or they, so we preach and so you believed.