Yaaa aiyuhal lazeena aamanoo laa tadkhuloo buyootan ghaira buyootikum hatta tastaanisoo wa tusallimoo 'allaa ahlihaa; zaalikum khairul lakum la'allakum tazakkaroon
O ye who believe! enter not houses other than your own, until ye have asked permission and saluted those in them: that is best for you, in order that ye may heed (what is seemly).