al-Zuhri ابن شهاب الزهري‎, محمد بن مسلم · The Book on Fasting

the Messenger of Allah said: "Allah, Mighty and Sublime is He, said: 'Those of My worshippers who are most beloved to me are the quickest to break their fast.'"

A man came and said: "O Messenger of Allah; I am ruined!" He said: "What has ruined you?" He said: "I had sexual relations with my wife during Ramadan." He said: "Are you able to free a slave?" He said, "No." He said: "Then are you able to fast for two consecutive months?" He said, "No." He said: "Then are you able to feed sixty needy people?" He said, "No." He said: "Sit." So he sat. A big basket full…

the Prophet said: "Whoever did not decide to fast before Fajr then there is no fast for him."

"Hafsah and I were both fasting when we were presented some food that we really wanted, so we ate from it. The Messenger of Allah came, and Hafsah beat me to him - she was the daughter of her father - and she said: 'O Messenger of Allah! We were both fasting when we were presented with some food that we wanted, so we ate from it.' He said: 'Make up another day in its place.'"

"I witnessed Umar bin Al-Khattab on the Day of Nahr beginning with the Salat before the Khutbah. Then he said: 'I heard the Messenger of Allah prohibit fasting on these two days. As for the Day of Fitr, then it is for you to take a break from your fasting, and a celebration for the Muslims. As for the Day of Adha, then eat from the flesh that you have sacrificed.'"

"Aishah and Umm Salamah, the wives of the Prophet informed me that the Prophet would find that it was Fajr while he was Junub from (relations with) his wives, then he would perform Ghusl and fast."

"The Prophet would perform I'tikaf during the last ten (days) of Ramadan until Allah took him."

"When the Messenger of Allah performed I'tikaf, he would bring his head near me so I could comb it, and he would not enter the house except for some personal needs."

From Al-Laith (a similar narration as no. 804)

"The Messenger of Allah would encourage the night prayer in Ramadan without firmly ordering it, and he would say: "Whoever stands (in the night prayer) for Ramadan with faith and seeking the reward (from Allah), then he will be forgiven what has preceded of his sins.' So the Messenger of Allah died and the matter was like that. Then the matter was the same during the Khilafah of Abu Bakr and it continued during a portion of the Khilafah of…