How do we know the righteousness of God is found in Christ?

The righteousness of God is encapsulated in the person of Christ, as mentioned in Philippians 3:9, where Paul states that he desires to be found in Him, not having righteousness of his own that comes from the law, but that which is through faith in Christ. This signifies a crucial tenet of sovereign grace theology: righteousness cannot be earned through personal merit or adherence to the law, but is a gift graciously imputed to believers by faith. This righteousness from God is the only one that meets the divine standard and is fully acceptable in His sight.