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.

':'Telah menceritakan kepada kami Adam bin Abu Iyas telah menceritakan kepada kami Ibnu Abu Dzi'b dari Az Zuhri dari Sahl bin Sa'd bahwa seorang laki-laki sedang mengintip dari kamar rumah Nabi shallallahu 'alaihi wasallam sementara Nabi shallallahu 'alaihi wasallam tengah menyisir rambutnya dengan midra (sejenis sisir) maka beliau bersabda: 'Sekiranya aku mengetahui kamu mengintip sungguh aku akan mencolok kedua matamu bukankah diberlakukannya meminta ijin demi pandangan.''