Romans 3:20 teaches that no one can make themselves right with God by keeping the law, because the law’s main work is to make sin visible. Paul is saying that obeying rules cannot earn God’s acceptance, and that the law helps us recognize how far we fall short. The verse was written by the apostle Paul, and he wrote it to the believers in Rome, a mixed community of Jewish and Gentile Christians.
Because by the works of the law, no flesh will be justified in his sight. For through the law comes the knowledge of sin.
Romans 3:20 (WEB)
What Romans 3:20 Means
The phrase “by the works of the law” refers to doing what the law commands as a way of earning standing before God. Paul says that this approach will never succeed for any person, because the law was never designed to produce a righteous standing. The words “no flesh will be justified” use a common biblical word, flesh, to mean every human being, and “justified” means declared right or acquitted before God.
The second sentence explains the purpose of the law. It does not make us righteous, but it shows us what sin is and how deep it goes. A person who reads the commandments honestly sees the gap between what God asks and what they actually do. Paul is not saying the law is bad, only that it cannot do what some people hoped it would do.
The verse does not promise that obeying God’s commands is pointless, and it does not say that Christians are free to ignore moral standards. It makes a narrower claim: our own performance cannot be the foundation of our acceptance with God. The rest of Romans 3 makes clear where that foundation is found.
The Context of Romans 3:20
Romans is a letter Paul wrote to a church he had not yet visited, and it lays out the gospel in unusually systematic form. Chapters 1 and 2 describe how both Gentiles and Jews stand under sin, and Paul uses the law to make the point that Jewish people, despite having God’s law, are not exempt from judgment. Verse 19 says the law speaks to those under it so that every mouth may be silenced.
Just after verse 20, Paul turns to the good news: “But now apart from the law, a righteousness of God has been revealed.” Verse 20 therefore sits in the middle of an argument, clearing away the idea that law-keeping saves so that God’s righteousness received by faith in Jesus Christ can be seen clearly. Read this way, the verse is the hinge between human failure and divine grace.
Key Phrases in Romans 3:20
Romans 3:23
For all have sinned, and fall short of the glory of God…
(WEB)
This verse finishes the thought Paul began in verse 20 by stating that all have sinned and fall short of God’s glory. Reading it alongside verse 20 shows that the problem is universal and that the solution must come from outside ourselves.
Ephesians 2:8-9
8 For by grace you have been saved through faith, and that not of yourselves; it is the gift of God, 9 not of works, that no one would boast.
(WEB)
Paul writes here that salvation comes by grace through faith and not by works. It offers a clear parallel to Romans 3:20, expressing the same truth that human effort cannot earn God’s favor.
A Short Prayer From Romans 3:20
Lord, thank you for telling me the truth about myself. I have tried to measure my worth by my own efforts, and I am humbled to see how often I fall short. Help me stop trusting my record and rest instead in the righteousness you offer through Jesus Christ. Show me where I have been relying on myself, and lead me to depend on your mercy each day. Amen.
