NET

3 revealing that you are a letter of Christ, delivered by us, written not with ink but by the Spirit of the living God, not on stone tablets but on tablets of human hearts.

Darby

3 be^D8396ing manifested to be Christ's epistle ministered by us, written, not with ink, but [the] Spirit of [the] living God; not on stone tables, but on fleshy tables of [the] heart.

Darby Bible Notes

be - Lit. '[ye] being manifested that ye are.'

KJV

3 [Forasmuch as ye 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 fleshy tables of the heart.