(And has also sent to you) a Messenger (Muhammad), who recites to you the Verses of Allah (the Quran) containing clear explanations, that He may take out, those who believe and do righteous good deeds from the darkness to the light. And whosoever believes in Allah and performs righteous good deeds, He will admit him into Gardens under which rivers flow (Paradise), to dwell therein forever. Allah has indeed granted for him an excellent provision.
Meaning:-
Righteous: (of a person or conduct) morally right or justifiable; virtuous, very good; excellent.