(8) CHAPTER. The Statement of Allah: “...O you who believe! Enter not the Prophet's houses, except when leave is given to you for a meal... (up to)... Verily! With Allah that shall be an enormity.” (V.33:53)
Narrated `Umar: I said, O Allah's Messenger ! Good and bad persons enter upon you, so I suggest that you order the mothers of the Believers (i.e. your wives) to observe veils. Then Allah revealed the Verses of Al- Hijab.
Authentic
