O you who believe! When you hold secret counsel, do it not for sin and wrong-doing, and disobedience towards the Messenger (Muhammad) but do it for Al-Birr (righteousness) and Taqwa (virtues and piety); and fear Allah unto Whom you shall be gathered.
Meaning:-
Righteousness: the quality of being morally right or justifiable, virtuous, very good; excellent.
Virtues: behavior showing high moral standards.