Abdullah bin Mubarak عبد الله بن المبارك · Chapters on Seeking Permission

"Abu Musa sought permission to enter upon 'Umar. He said: 'As-Salamu 'Alaykum (Peace be upon you). May I enter?' 'Umar said: 'Once.' Then he was silent for some time. Then he said: 'As-Salamu 'Alaykum (Peace be upon you). May I enter?' 'Umar said: Twice.' Then he was silent for some time. Then he said: 'As-salamu 'Alaykum (Peace be upon you). May I enter?' 'Umar said: 'Three times.' Then he (Abu Musa) left. 'Umar said to the gate-keeper: 'What did he…

that the Messenger of Allah (ﷺ) said: "When one of you writes something, then let him Yutarrib (smeared with dust to dry the ink) it, for that is more conducive to the need."

"I entered upon the Messenger of Allah (ﷺ) while there was a scribe in front of him, and I heard him saying: 'Put the pen on your ear, for that is more conducive to the scribe remembering.'"

"The Messenger of Allah (ﷺ) ordered me to learn some statements from writings of the Jews for him, and he said: 'For indeed by Allah! I do no trust the Jews with my letters.'" He said: "Half a month did not pass before I learned it, when he (ﷺ) wanted to write to the Jews I would write it to them, and when they wrote to him I would read their letters to him."

that a man gave the Salam to the Prophet (ﷺ) while he was urinating, but the Prophet (ﷺ) did not return the Salam to him."

from a man among his people, who said: "I went looking for the Prophet (ﷺ) but I was not able to find him. So I sat down, and then I saw a group of people, and he was among them, but I did not recognize him. He was settling some matter between them so when he was finished, some of them stood up with him and they were saying: 'O Messenger of Allah.' When I saw that, I said: "'Alaikas-Salam…

from Abu Tamimah al-Hujaimi from Jabir bin Sulaim who said: "I went to the Prophet (ﷺ) and I said: ''Alaikas-Salam (upon you be peace)' so he replied: 'Do not say "'Alaikas-Salam" rather say As-Salamu Alaik.'" And he mentioned the story in its entirety.

"When we went to the Prophet (ﷺ), each of us would sit wherever he wound up at."

"A Jew said to his companion: 'Accompany us to this Prophet.' So his companion said: 'Do not say: "Prophet". For if he hears you (say that) then he will be very happy.' So they went to the Messenger of Allah (ﷺ) to question him about nine clear signs. So he said to them: 'Do not associate anything with Allah, nor steal, nor commit unlawful intercourse, nor take a life which Allah has made prohibited prohibited, except for what is required…

"The day that I came to him, the Messenger of Allah (ﷺ) said: "Welcome to the riding emigrant.'" There are narrations on this topic from Buraidah, Ibn 'Abbas, and Abu Juhaifah.