Al-Ahzab 33:53 يا ايها الذين امنوا لا تدخلوا بيوت النبي الا ان يوذن لكم الى طعام غير ناظرين اناه ولاكن اذا دعيتم فادخلوا فاذا طعمتم فانتشروا ولا مستانسين لحديث ان ذالكم كان يوذي النبي فيستحيي منكم والله لا يستحيي من الحق واذا سالتموهن متاعا فاسالوهن من وراء حجاب ذالكم اطهر لقلوبكم وقلوبهن وما كان لكم ان توذوا رسول الله ولا ان تنكحوا ازواجه من بعده ابدا ان ذالكم كان عند الله عظيما ٥٣

O Ye who believe! Enter not the dwellings of the Prophet for a meal without waiting for the proper time, unless permission be granted you. But if ye are invited, enter, and, when your meal is ended, then disperse. Linger not for conversation. Lo! that would cause annoyance to the Prophet, and he would be shy of (asking) you (to go); but Allah is not shy of the truth. And when ye ask of them (the wives of the Prophet) anything, ask it of them from behind a curtain. That is purer for your hearts and for their hearts. And it is not for you to cause annoyance to the messenger of Allah, nor that ye should ever marry his wives after him. Lo! that in Allah's sight would be an enormity.