Parallel
1 Corinthians 9:2
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
If I be not an apostle unto others, yet doubtless I am to you: for the seal of mine apostleship are ye in the Lord.
Even if I am not an apostle to others, surely I am to you. For you are the seal of my apostleship in the Lord.