86وَإِذا حُيّيتُم بِتَحِيَّةٍ فَحَيّوا بِأَحسَنَ مِنها أَو رُدّوها ۗ إِنَّ اللَّهَ كانَ عَلىٰ كُلِّ شَيءٍ حَسيبًاAisha BewleyWhen you are greeted with a greeting, return the greeting or improve on it. Allah takes account of everything.