 He begins by saying, do I have to commend ourselves again or do we need as some other people epistles of commendation to you or letters of commendation from you? He says, you're our epistle written in our hearts and known and read of all men. For as much as you are manifestly declared to be the epistle of Christ ministered by us, written not with ink, but with the spirit of the living God, not in tables of stone, but in fleshly tables of the heart.