(O ye who believe) in Muhammad (pbuh) and the Qur'an! (Ward off from yourselves) and your folks (and your families) and wives and children (a Fire) He says: teach them good manners and make them learn goodness, and by doing so you will save them from the Fire (whereof the fuel is men and stones) of sulphur which is the hottest of stones, (over which) over the Fire (are set angels) i.e. the angels in charge of the Fire (strong) huge, (severe) very strong, (who resist not Allah in that which He commandeth them) regarding the chastisement of the dwellers of the Fire, (but do) i.e. the angels in charge of the Fire (that which they are commanded.