There are two Covenants and two ministries being compared in 2 Corinthians 3, and both of them are called “glorious” by Paul – which seems a little strange, because how could a ministry that “brought death” and “condemns men” (verses 7 and 9) be glorious?
Paul’s talking about the Old Covenant that was “engraved in letters on stone” (verse 7). He called it a Covenant “of the letter,” but, he says, “the letter kills” (verse 6) – which doesn’t sound very glorious at all. He also says its “radiance was fading away” (verse 13), so it wasn’t even meant to last either. It was just a temporary arrangement that condemned and killed people.
But it clearly served a glorious purpose as a comparison to the New Covenant, which Paul called a Covenant “of the Spirit,” and it’s so much “greater” than the Old Covenant (verse 11) that “what was glorious has no glory now in comparison with the surpassing glory” of the New.
But how is this new ministry so surpassing in its glory? Because, verse 3, it’s “written not with ink but with the Spirit of the living God, not on tablets of stone but on tablets of human hearts” – and whatever the Spirit is writing on human hearts it “gives life” (verse 6), it “brings righteousness” (verse 9), and it “lasts” (verse 11).
And it’s all being done by God himself, because, Paul writes in verse 17, “the Lord is the Spirit.” The Spirit, therefore, is not only “the Spirit OF the living God” (verse 3), the Spirit IS God. The Spirit is “Lord” too, so in the New Covenant it is God himself who is ministering to us. Everything in our lives now “comes from the Lord, who is the Spirit,” verse 18.
This is why the New Covenant is so much greater than the Old Covenant; it’s because none of it depends on our doing. We “are BEING transformed into his likeness with ever-increasing glory.” This is something the Spirit Lord is doing to us. It’s not like the Old Covenant where blessings of any kind depended entirely on the obedience of the individual or the nation. This is the New Covenant where the blessings of life, righteousness and gradual transformation into “the Lord’s glory” (verse 18) all come from the Spirit Lord, and do not depend on anything we do.
That’s why “where the Spirit of the Lord is, there is freedom,” because in the New Covenant the Spirit is totally in charge of our lives, and he is doing the job of transforming our hearts perfectly. “Therefore, since we have such a hope, we are very bold,” verse 12. We can walk through life in this world every day utterly “confident” (verse 4). We have no worries. We are free.