86 Preface وَإِذا حُيّيتُم بِتَحِيَّةٍ فَحَيّوا بِأَحسَنَ مِنها أَو رُدّوها ۗ إِنَّ اللَّهَ كانَ عَلىٰ كُلِّ شَيءٍ حَسيبًاAli Quli QaraiWhen you are greeted with a salute, greet with a better one than it, or return it; indeed Allah takes account of all things.