Abdul Warith bin Sa'id bin Dhakwan عبد الوارث بن سعيد بن ذكوان · The Book on Fasting

"The Messenger of Allah ordered fasting the tenth day for the Day of Ashura."

The Messenger of Allah said: "Indeed your Lord said: 'Every good deed is rewarded with ten of the same up to seven hundred times over. Fasting is for Me, and I shall reward for it.' Fasting is a shield from the Fire. The smell coming from the mouth of the one fasting is more pleasant to Allah than the scent of musk. If one of you is abused by an ignorant person while fasting, then let him say: 'Indeed I…

"the Messenger of Allah was cupped while he was fasting and in Ihram."