What does it mean to establish the law through faith?

To establish the law through faith signifies that believers are counted as righteous not by their own adherence to the law but by their faith in Jesus Christ, who fulfilled the law on our behalf. Paul argues in Romans 3:31 that faith reinforces the law rather than voiding it, as true righteousness that God requires is fulfilled in Christ’s obedience. By accepting Christ’s sacrifice, believers are seen as having completely satisfied the demands of God’s law. Therefore, faith not only justifies but also secures righteousness, demonstrating that the law's purpose is fulfilled in Christ for all who believe.