living one’s life in accord with the will of God is integral to the statement: “the one who is righteous shall live by faith.”46 As we already noted, living one’s life in accord with God’s commandments is the expression of one’s devotion to God. As Paul says in 1 Corinthians 7:19, “Keeping the commandments of God means everything!”
Agreed there. It's just that Israel wasn't doing the law. Its society was unjust, not dikaios; the law doesn't bring dikaiosyne, Jesus does