Muhammad bin Shu'aib bin Shabur محمد بن شعيب بن شابور · The Book of Fasting

if one of them went to sleep before eating supper, it was not permissible for him to eat or drink anything that night or the following day, until the sun had set. (That continued) until this Verse was revealed: "And eat and drink until the white thread (light) of dawn appears to you distinct from the black thread (darkness of night)." He said: "This was revealed concerning Abu Qais bin 'Amr who came to his family after Maghrib when he…

"I heard Abu Saeed Al-Khudri say: 'The Messenger of Allah said: Whoever fasts one day in the cause of Allah will separate his face from the fire by (a distance of) seventy autumns."'

"It is not righteousness to fast when traveling. Take to the concession which Allah, the mighty and sublime, has granted you, accept it."

the Messenger of Allah saw a man who was being shaded on a journey. He said: "It is not righteousness to fast when traveling."

"The Messenger of Allah used to command us to fast the three days with the shining bright nights (Al-Ayam Al-Bid), the thirteenth, fourteenth and fifteenth."