Muhammad bin Hatim Al-Samayn محمد بن حاتم البغدادي - السمين · The Book of Fasting

"The Messenger of Allah said: 'When Ramadan comes, the gates of mercy are opened, the gates of Hell are closed, and the devils are chained up."'

"The Messenger of Allah said to a woman from among the Ansar: 'When it is Ramadan, perform 'Umrah then, for 'Umrah during it is equivalent to Hajj."

"The Messenger of Allah mentioned the crescent and said: 'When you see it, fast and when you see it, stop fasting, and if it is obscured from you (too cloudy), then count thirty days."'

"Allah, may He be exalted, said: 'Fasting is for me and I shall reward for it. The fasting person has two moments of joy: When he breaks his fast and when he meets his Lord. And the smell that comes from the mouth of the fasting person is better before Allah than the fragrance of musk."' '

'Uthman bin Abi Al-As called for milk to be given to him (Mutarrif) to drink. Mutarrif said: 'I heard the Messenger of Allah say: 'Fasting is a shield like the shield of any one of you in battle."' Abu Hurairah said: "The Messenger of Allah said: 'Fasting is a shield."' (Sahih

That he came to Prophet, and he mentioned something similar.

"I went out with Abu Qilabah on a journey and he brought some food. I said: 'I am fasting.' He said: 'The Messenger of Allah went out on a journey and brought some food, and said to a man: Come and eat. He said: I am fasting. He said: Allah has waived for the traveler half of the prayer and fasting when traveling, so come and eat. So I came close and ate."'

"Whoever does not intend to fast before dawn comes, should not fast." (Daif)

"The Messenger of Allah enjoyed three things upon me: To sleep after praying Witr, to perform Ghusal on Friday, and to fast three days of each month." (Sahih).

That the Prophet commanded a man to fast on the thirteenth, fourteenth and fifteenth.