Abu Umama bin Sahl · The Book of Fasting

"There is no good deed that the son of Adam does, but between ten and seven hundred Hasanahs will be recorded for him. Allah, the mighty and sublime, said: 'Except fasing, for it is for me and I shall reward for it. He gives up his desires and his food for my sake. Fasting is a shield, and the fasting person has two moments of joy. One when he breaks his fast and another when he meets his Lord. And…

"The Messenger of Allah said: 'Allah, the Mighty and sublime, said: Every deed of the son of Adam is for him, except fasting; it is for me and I shall reward for it. Fasting is a shield. If any one of you is observing a fast, let him not utte obscene a fast, let him not utter obscene talk or raise his voice in anger, and if anyone insults him or wants to fight, let him say: I am a…

"I heard the Messenger of Allah say: 'Allah, the mighty and sublime, said: Every deed of the son of Adam is for him, except fasting; it is for me and I shall reward for it. By the one in whose hand is the soul of Muhmmad, the smell coming from the mouth of the fasting person is better before Allah than the fragrance of musk." '