Berean Standard Bible (BSB)
It is clear that you are a letter from Christ, the result of our ministry, written not with ink but with the Spirit of the living God, not on tablets of stone but on tablets of human hearts.
World English Bible (WEB)
being revealed that you are a letter of Christ, served by us, written not with ink, but with the Spirit of the living God; not in tablets of stone, but in tablets that are hearts of flesh.
Strong's King James
Forasmuch as ye are manifestly declared{G5319}{(G5746)} to{G3754} be{G2075}{(G5748)} the epistle{G1992} of Christ{G5547} ministered{G1247}{(G5685)} by{G5259} us{G2257}, written{G1449}{(G5772)} not{G3756} with ink{G3188}, but{G235} with the Spirit{G4151} of the living{G2198}{(G5723)} God{G2316}; not{G3756} in{G1722} tables{G4109} of stone{G3035}, but{G235} in{G1722} fleshy{G4560} tables{G4109} of the heart{G2588}.
The F.O.G *
(3) manifesting that you are a letter of Mashiach cared for by us. Not written with ink but rather The רוּחַ Ruach-Spirit of The Living יהוה YAHWEH, not on tablets of stone but rather tablets of fleshly hearts.
The F.O.G Message *
Young's Literal Translation
manifested that ye are a letter of Christ ministered by us, written not with ink, but with the Spirit of the living God, not in the tablets of stone, but in fleshy tablets of the heart,