In the plan of God, the covenant and laws of Mount Sinai played an important but temporary role as guardian of God's people until Messiah should come and deliver them
To claim that the Paul of Galatians was exercised over the terms by which Gentiles can belong to the people of God while overlooking his (still more fundamental) concern with the dilemma facing all human beings responsible before God is to suffer from a peculiarly modern myopia.
Justification Reconsidered, 18Justification, New Perspectives0
the words for "righteous" (dikaios) and "righteousness" (dikaiosyne); it is typically used in a legal setting, where it means "declare innocent", "find righteous", "acquit."