Muhammad bin 'Ubaid al-Tanafasi محمد بن عبيد بن أبي أمية الطنافسي · The Book of Fasting

"I was very keen to ask 'Umar bin Al-Khattab about the two wives of the Messenger of Allah to whom Allah said: If you two turn in repentance to Allah, (it will be better for you), your hearts are indeed so inclined." And he quoted the Hadith. He said concerning it:' "The from his wives for twenty-nine days because of that, when Hafsah had made her disclosure to Aishah. He had said: 'I will not enter upon them for a…

"The Messenger of Allah said: 'The month is twenty-nine days."'

"I came to the Messenger of Allah from a journey and he said: 'Stay and have a meal to break the fast, O Abu Umayyah.' I said: 'I am fasting.' He said: 'Come close to me and I will tell you about the traveler. Allah, the mighty and sublime, has waived fasting and half of the prayer for him."'

"I will certainly stand all night (in prayer) and fast every day for as long as I live." The Messenger of Allah said: "Are you the one who said that?" I said: 'I said it, O Messenger of Allah.' The Messenger of Allah said: 'You cannot do that. Fast and break your fast, sleep and stand (in prayer), and fast three days of each month. For a good deed is equal to ten like it, and that is like fasting…