(495) بَابُ الاسْتِئْذَانُ مِنْ أَجْلِ النَّظَرِ
Sahl ibn Sa'd told him that a man looked from a room through thedoor of the Prophet, may Allah bless him and grant him peace, while theProphet, may Allah bless him and grant him peace, had a comb with whichhe was scratching his hair. When the Prophet, may Allah bless him and granthim peace, saw him, he said, "If I had known that you were looking at me,I would have stabbed you in the eye with this!" (ID)
Reference (ID): Al-Adab Al-Mufrad 1070 (ID)
In-book reference (ID): Book 43, Hadith 20 (ID)
English translation (ID): Book 43, Hadith 1070 (ID)