Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai-kubra:2874Maḥmūd b. Khālid > Muḥammad b. Shuʿayb b. Shābūr > Yaḥyá b. al-Ḥārith > Abū Asmāʾ al-Raḥabī

[Machine] On the authority of Thawban, the freed slave of the Messenger of Allah, ﷺ , who said that he heard the Messenger of Allah, ﷺ , say: "Allah has made good deeds ten times their worth, up to seven hundred times, except for fasting, which is for Me and I will reward it as I will. There are two occasions of joy for one who fasts: the joy of breaking his fast and the joy of meeting his Lord. The smell from the mouth of a fasting person is better in the sight of Allah than the scent of musk. The one who fasts has two moments of happiness: one is when he breaks his fast, and the other is when he meets his Lord. Verily, the breath of one who fasts is sweeter in the sight of Allah than the smell of musk."  

الكبرى للنسائي:٢٨٧٤أَخْبَرَنَا مَحْمُودُ بْنُ خَالِدٍ قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ شُعَيْبِ بْنِ شَابُورَ قَالَ أَخْبَرَنَا يَحْيَى بْنُ الْحَارِثِ قَالَ حَدَّثَنِي أَبُو أَسْمَاءَ الرَّحَبِيُّ

عَنْ ثَوْبَانَ مَوْلَى رَسُولِ اللهِ ﷺ أَنَّهُ سَمِعَ رَسُولَ اللهِ ﷺ يَقُولُ «جَعَلَ اللهُ الْحَسَنَةَ بِعَشْرٍ فَشَهْرٌ بِعَشَرَةِ أَشْهُرٍ وَسِتَّةُ أَيَّامٍ بَعْدَ الْفِطْرِ تَمَامُ السَّنَةِ»