Demonstration of His Righteousness
The “righteousness of God” refers to His faithfulness to His promises, and this is demonstrated in the salvation He has provided in Jesus . Paul stresses the “ righteousness of God ” revealed in the gospel, which is the “ power of God for salvation to everyone who believes ,” a “ righteousness ” that is proclaimed throughout the earth to “ Jew and Greek ” alike. And by the “ righteousness of God ,” he means HIS “ righteousness ” - God's faithfulness to His wayward creatures.