Sayyiduna Abu Hurairah (may Allah be pleased with him) says: In the blessed era of the Prophet (peace and blessings of Allah be upon him), our food consisted of only two black things: dates and water.

Abdullah bin Abu Salamah narrates: Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) sought permission three times to enter upon Sayyiduna Umar (may Allah be pleased with him). When he was not granted permission, he returned. When Sayyiduna Umar (may Allah be pleased with him) was informed of this, he inquired, "Why did you return?" Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) replied, "I heard the Prophet (peace and blessings of Allah be upon him) say: 'When any person seeks permission three times and is not granted permission, he should return.'" Upon this, Sayyiduna Umar (may Allah be pleased with him) said, "Either you bring a witness for this, or else..." (Here, the narrator Hammad said: that Sayyiduna Umar (may Allah be pleased with him) ordered him to be punished.)

The narrator states: Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) left from there and came to the mosque. He went to the gathering of the Ansar and related to them the entire incident that he had narrated to Sayyiduna Umar (may Allah be pleased with him) and what Sayyiduna Umar (may Allah be pleased with him) had said to him. So they said, "The youngest among us will go with you." Thus, Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) stood up and went and testified to this. Then Sayyiduna Umar (may Allah be pleased with him) said, "We did not accuse you of anything, but the matter of a hadith attributed to the Prophet (peace and blessings of Allah be upon him) is important."

(Imam Ibn Hibban, may Allah have mercy on him, says:) The command for the one seeking permission to return is in the case when the condition exists, and that is that permission is not obligatory. But when the condition is found, and that is granting permission, then the command to return will be considered nullified.

It is narrated about Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) that he sought permission three times to enter upon Sayyiduna Umar (may Allah be pleased with him), but was not granted permission. Sayyiduna Umar (may Allah be pleased with him) was perhaps busy at that time, so Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) returned. When Sayyiduna Umar (may Allah be pleased with him) became free, he inquired: "Did I not hear the voice of Abdullah bin Qais? Tell him to come in." Sayyiduna Umar (may Allah be pleased with him) was informed that he had already left. Sayyiduna Umar (may Allah be pleased with him) called for him (and inquired), so Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) explained, "We have been commanded regarding this matter." Sayyiduna Umar (may Allah be pleased with him) said: "Bring proof regarding this." So Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) went to the gathering of the Ansar and asked them about this matter. They said: "The one who is youngest among us will testify for you regarding this, and he is Abu Sa'id Khudri (may Allah be pleased with him)." So Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) took Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) with him, and he testified before Sayyiduna Umar (may Allah be pleased with him) regarding this matter (that it is so). Then Sayyiduna Umar (may Allah be pleased with him) said: "This command of the Noble Prophet (peace and blessings of Allah be upon him) remained hidden from me; buying and selling in the market kept me unaware of it. However, accept whatever you wish (or greet as you wish)."

Sayyiduna Jabir bin Abdullah (may Allah be pleased with them both) narrates: I came to the service of the Prophet (peace and blessings of Allah be upon him) and knocked on the door. The Prophet (peace and blessings of Allah be upon him) asked, "Who is it?" I replied, "It is me." The Prophet (peace and blessings of Allah be upon him) said twice, "It is me, it is me," as if the Prophet (peace and blessings of Allah be upon him) disliked this.

Sayyiduna Sahl bin Sa’d (may Allah be pleased with him) narrates: A man peeped into the blessed chamber of the Prophet (peace and blessings of Allah be upon him). The Prophet (peace and blessings of Allah be upon him) had a comb in his blessed hand with which he was scratching his head. When the Prophet (peace and blessings of Allah be upon him) saw him, he said: If I had known that you were peeping like this, I would have poked this comb into your eye. Permission to enter has been ordained so that (the household) may not be seen.

Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) narrates: We were present in the gathering of Sayyiduna Ubayy bin Ka'b (may Allah be pleased with him) when Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) arrived holding a staff in his hand and stood there. He said: I ask you by Allah, has any one of you heard the Messenger of Allah (peace and blessings be upon him) say this: Permission should be sought three times; if you are granted permission, then fine, otherwise return. Sayyiduna Ubayy (may Allah be pleased with him) asked: What happened? Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) replied: Yesterday evening, I sought permission three times to enter upon Sayyiduna Umar bin Khattab (may Allah be pleased with him), but I was not granted permission, so I returned. Then I presented myself to him. When I came to him, I informed him: Yesterday evening I came to you, I greeted three times, then I returned. Sayyiduna Umar (may Allah be pleased with him) said: We heard your voice, but we were busy at that time. If you had kept seeking permission until you were granted permission (that would have been appropriate). Sayyiduna Abu Musa Ash'ari (may Allah be pleased with him) said: I sought permission in the manner I heard the Messenger of Allah (peace and blessings be upon him) instruct. Upon this, Sayyiduna Umar (may Allah be pleased with him) said: By Allah, either you bring a witness regarding this matter or we will impose punishment on your back. The narrator says: Then Sayyiduna Ubayy (may Allah be pleased with him) said: By Allah, the person who is youngest among us will go with you. O Abu Sa'id, you stand up. The narrator says: So I stood up and went to Sayyiduna Umar (may Allah be pleased with him) and informed him: I too heard the Messenger of Allah (peace and blessings be upon him) say this.

Sayyiduna Abu Huraira (may Allah be pleased with him) narrates this statement of the Prophet (peace and blessings be upon him): "When a person sends a messenger to another person, it will be considered as permission from him."

Sayyiduna Abu Huraira (may Allah be pleased with him) narrates this statement of the Noble Prophet (peace and blessings be upon him): "Name yourselves after my name, but do not adopt my kunyah."

Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates: The Prophet Muhammad (peace and blessings be upon him) was standing in Baqi‘ when a man called out loudly to another:“O Abu al-Qasim!”The Prophet (peace and blessings be upon him) turned towards him, so the man said:“O Messenger of Allah (peace and blessings be upon him)! I did not call you, I called so-and-so.”The Prophet (peace and blessings be upon him) said:“Name yourselves after my name, but do not take my kunyah.”

Sayyiduna Abu Huraira (may Allah be pleased with him) narrates this statement of the Prophet (peace and blessings be upon him): "Do not combine my name and my kunyah."