He صلى الله عليه وسلم also stated that Allâh said:
((كل عمل ابن آدم له إلا الصيام، فإنه لي وأنا أجزي به، يترك شهوته وطعامه وشرابه من أجلي للصائم فرحتان فرحة عند فطره وفرحة عند لقاء ربه، ولخلوف فم الصائم أطيب عند الله من ريح المسك))
“Every (good) deed of the son of Adam will have ten rewards like it up to seven hundred times in increase, except for fasting. For verily it is for Me and I will give the reward for it. He (the fasting person) leaves off his desire, his food and his drink for My sake.” (The Prophet صلى الله عليه وسلم continued:) “The fasting person has two times of delight. He is delighted when he breaks his fast and delighted when he meets his Lord. And verily the foul odor from the mouth of the fasting person is better to Allâh than the fragrance of musk perfume.”*
Al-Bukhari no. 1904 and Muslim no. 161/1151.
Book: Fatawa Islamiyah Islamic Verdicts [Volume 3] – فتاوى إسلامية
Collected by: Muhammad bin ‘Abdul-‘Aziz Al-Musnad
Published and translated by: Darussalam