Book Study · Week 2 of 6

Justified by Faith

Romans 3:21-31

Justification by grace through faith

Main Point

You cannot earn your way to God — but the good news is, you don't have to.

Application Ideas

Where are you still trying to perform for God's approval? Rest in His finished work this week.

Discussion Questions

What does 'justified freely by His grace' mean? How does this passage level the playing field for everyone?

Detailed Sermon Outline

Primary Text: Romans 3:21-31, 4:1-8

Supporting Texts: Genesis 15:6, Habakkuk 2:4, Psalm 32:1-2, Ephesians 2:8-9

Big Idea: Righteousness before God comes through faith in Jesus Christ, not through works of the law. God declares us right based on Christ's work, not ours.

Target Length: 35-40 minutes

Introduction

After painting the bleak picture of universal sin, Paul pivots. 'But now—a righteousness from God has been made known, apart from the law.'

This is the turning point. This is where the gospel appears. Not as a demand for self-improvement, but as a gift offered. A way to be right with God that doesn't depend on your performance.

This is almost too good to be true. Which is why people have always struggled to believe it.

I. Righteousness by Faith, Not by Works (Romans 3:21-26)

'But now apart from the law the righteousness of God has been made known, to which the Law and the Prophets testify. This righteousness is given through faith in Jesus Christ to all who believe.'

A righteousness apart from the law. This would have been shocking to Paul's Jewish audience. They believed righteousness came from studying Torah, keeping commandments, living right.

But Paul says the righteousness that matters—the status of being right with God—comes through faith. Trust. Belief.
'For there is no difference between Jew and Gentile—all have sinned and all are justified freely by his grace through the redemption that came by Christ Jesus.'

And here's the revolutionary part: 'God presented Jesus as a sacrifice of atonement, through the shedding of his blood—to be received by faith.' Jesus' death settles the sin problem.

When you trust Christ, you're not earning goodness. You're receiving the goodness he accomplished. His righteousness becomes yours by faith.

II. Abraham's Example: Faith Credited as Righteousness (Romans 4:1-8)

Paul points to Abraham: 'Abraham believed God, and it was credited to him as righteousness.' This quote from Genesis 15:6 is foundational.

Abraham wasn't righteous because he earned it. He was righteous because he believed God's promise. He had faith, and God counted that faith as righteousness.

'Now to the one who works, wages are not credited as a gift but as an obligation. But to the one who does not work but trusts God who justifies the ungodly, their faith is credited as righteousness.'
Work earns wages. It's transactional. But grace isn't transactional. Grace is given. And it's received through faith.

Paul then quotes Psalm 32: 'Blessed are those whose transgressions are forgiven, whose sins are covered. Blessed is the one whose sin the Lord will never count against him.'

That's justification. Not that your sins are overlooked or minimized. But that they're not counted against you. They're taken care of. They're covered.

III. Faith Establishes the Law (Romans 3:27-31)

'Where, then, is boasting? It is excluded. Because of what law? The law that requires works? No, because of the law that requires faith.'

This is important: Paul isn't saying the law was bad or unimportant. He's saying the law couldn't save us. The law can show us our sin, but it can't fix it.

But faith in Christ establishes the law's true purpose. It shows why we need God's grace. It demonstrates that we can't save ourselves.
And it removes all grounds for pride. If you're saved by faith, you have no basis for thinking you're better than anyone else.

'Is God the God of Jews only? Is he not the God of Gentiles too?' Yes, of Gentiles too. The same gospel, the same faith, applies to all.

You can't say, 'I have special access to God because of my heritage or my works.' The door is open to anyone who believes.

Conclusion & Appeal

Justification by faith is both simple and radical. It means everything changes—not because of what you do, but because of what Jesus did and because you receive it.

For some of us, this feels too easy. We want to earn it somehow. We want to prove ourselves. But that's not how grace works.

The only thing required is faith. Belief. Trust. Will you receive what Christ has accomplished for you?