If salvation is by grace through faith…
It could not give the Holy Spirit (Gal 3:1-5).
Could not bring justification (vv. 6–9);
Could not alter the permanence of faith (vv. 15–18);
But does bring a curse (vv. 10–12).
Then a natural question arises:
Why the Law at all?
Paul answers with stunning clarity:
“Why the Law then? It was added because of transgressions, having been ordained through angels by the agency of a mediator, until the Seed would come to whom the promise had been made.”
— Galatians 3:19
Here’s what that means:
1. Never to Heal
The Law was never meant to save—it was meant to expose.
It was added to define sin, restrain it, and show humanity just how serious and destructive it is (see 1 Timothy 1:8–11). The Law revealed our guilt, magnified our need, and made it abundantly clear: we can’t fix ourselves.
As Paul says, the Law turned sin into transgression—crossing a clearly defined line. Its role wasn’t to heal, but to highlight just how far off we are from God’s holiness.
2. Never after Christ
Paul says the Law lasted “until the Seed would come.”
Who is that Seed? Jesus—the very fulfillment of God’s promise to Abraham (Galatians 3:16). The Law had an expiration date, not as in the law was done for, but an expiration date till it was applicable to us. It was a tutor, a placeholder, a mirror to show us our flaws until the true solution arrived.
When Jesus came, He didn’t just teach us the Law—He fulfilled it. And then He introduced a new way:
Righteousness by faith alone.
No more striving.
No more failing.
No more condemnation.
3. Never considered permanent solution
There’s something else Paul points out—something often missed.
The Law didn’t come the same way the promise to Abraham did. The promise was directly from God. The Law? It came through a mediator—actually, two: angels on God’s behalf, and Moses on behalf of the people.
It was distant, indirect, and conditional.
But God’s promise to Abraham—and to us through Christ—is personal, permanent, and unmediated.
So Why the Law?
To show us our need.
To point us to Christ.
To prepare the way for the real thing.
But we were never meant to build our righteousness on it. That was never its job. It was always meant to drive us to grace, to make us long for a Savior who could do what the Law never could.
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