(75) باب الاِمْتِشَاطِ
Narrated Sa`d:
A man peeped into the house of the Prophet (ﷺ) through a hole while the Prophet (ﷺ) was scratching his head with a Midrai (a certain kind of comb). On that the Prophet (ﷺ) said (to him), "If I had known you had been looking, then I would have pierced your eye with that instrument, because the asking of permission has been ordained so that one would not see things unlawfully." (FR)
Reference (FR): Sahih al-Bukhari 5924 (FR)
In-book reference (FR): Book 77, Hadith 139 (FR)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 72, Hadith 807 (FR)