Abu Hurayra reported that the Messenger of Allah, may Allah bless him and grant him peace, said, "If someone looks inside, he should not be given permission to enter."

'Ata' reported that Abu Hurayra said, "When someone says, "Can I come in?" and does not give the key.'" 'Ata' said, "Peace?" and Abu Hurayra replied, "Yes."

Rib'i ibn Hirash reported that a man of the Banu 'Amir came to the Prophet, may Allah bless him and grant him peace, and said, "Can I come in?" The Prophet, may Allah bless him and grant him peace, told his slavegirl, "Go out and say to him,, 'Say, "Peace be upon you. Can I come in?" He is not good at asking permission to enter." The man said, "I heard that before the slavegirl came out to me and I said, 'Peace be upon you. Can I come in?' Then the Prophet (ﷺ) said, 'And on you. Enter!'"

Ibn 'Abbas said, "'Umar asked permission to visit the Prophet, may Allah bless him and grant him peace, and said, 'Peace be upon the Messenger of Allah! Peace be upon you! Can I come in?'"

Jabir said, "I came to the Messenger of Allah, may Allah bless him and grant him peace, about a debt my father owed. I knocked at the door and he asked. 'Who is it?' 'Me,' I replied. He said, 'Me? Me?' as if he disliked that."

Burayda said, "The Messenger of Allah, may Allah bless him and grant him peace, went out to the mosque while Musa was reciting. He said, 'Who is it?' I said 'I am Burayda, may I be your ransom!' The Prophet (ﷺ) said, 'This man has been given one of the flutes of the family of Da'ud.'"

'Abdu'r-Rahman ibn Ju'dan said, "I was with 'Abdullah ibn 'Umar and he asked permission from the people of the house to enter. He was told, 'Enter with peace,' and he refused to enter them.'"

Abu Hurayra said, "The Messenger of Allah, may Allah bless him and grant him peace, said, "When the eye enters, permission to enter should not be given."

Muslim ibn Nadhir said, "A man asked permission to enter from Hudhayfa. He looked in and said, 'May I come in?' Hudhayfa replied, 'As for you eye, it has already entered. As for your bottom, it has not entered.'"

Anas ibn Malik reported that a bedouin came to the house of the Messenger of Allah, may Allah bless him and grant him peace, and put his eye to the crack of the door. Therefore the Prophet (ﷺ) took an arrow or a sharp stick and aimed it at the bedouin as to gouge out his eye. The man left and the Prophet (ﷺ) said, "If you had stayed, I would have gouged out your eye."

'Umar ibn al-Khattab said, "Anyone who fills his eye with the contents of a house before he has been given permission has gone astray."

Thawban, the mawla of the Messenger of Allah, may Allah bless him and grant him peace, related that the Prophet, may Allah bless him and grant him peace, said, "It is not lawful for a Muslim man to look inside a house until he has been given permission. If he does so, he has entered. He should not act as the imam of a people and then single himself out for supplication to the exclusion of others. He should not pray while he needs to urinate until he has relieved himself."

Abu Umama reported that the Prophet, may Allah bless him and grant him peace, said, Allah is responsible for three: if they live, they will have enough, and if they die, they will enter the Garden. Allah Almighty is responsible for whoever enters his house , saying 'Peace'. Allah is responsible for whoever goes out to the mosque. Allah is responsible for whoever goes out in the Way of Allah."

A'yan al-Khwarizmi said, "We came to Anas ibn Malik while he was sitting his foyer with anyone else with him. My companion greeted him and said, 'May I come in?' Anas said, 'Come in. This is a place where no one asks for permission.' He had food brought to us and we ate. Then a cup of sweet nabidh was brought and we drank and were full."

Mujahid said, "Ibn 'Umar did not ask permission to enter shops in the market."

'Ata' said, "Ibn 'Umar used to ask permission to enter market-stalls."

Umm Habiba bint Qays (Khawla) was heard to say, "My hand and that of the Messenger of Allah, may Allah bless him and grant him peace, mixed together in the same vessel."

Ibn 'Abbas said, "The verse, 'Do not enter houses other than your own until you have asked permission and greeted their inhabitants' (24:27) has an exception made to it when Allah says, 'There is nothing wrong in your entering houses where no one lives where there is some service for you. Allah knows what you divulge and what you conceal.'"

Regarding the ayat, "Those you own as slaves should ask your permission to enter" (24:56), Ibn 'Umar said, "That applies to men rather than women."

Ibn 'Umar reported that when his children had reached puberty and he had withdrawn to his room, none of them entered where he was except with his permission.