27يا أَيُّهَا الَّذينَ آمَنوا لا تَدخُلوا بُيوتًا غَيرَ بُيوتِكُم حَتّىٰ تَستَأنِسوا وَتُسَلِّموا عَلىٰ أَهلِها ۚ ذٰلِكُم خَيرٌ لَكُم لَعَلَّكُم تَذَكَّرونَQaribullah & DarwishBelievers, do not enter houses other than your houses until you first ask permission and greet with peace the people thereof; that is better for you in order that you remember.