The Prophet ﷺ said, "Allah said: The Fast is for Me and I will give the reward for it, as he (the one who observes the fast) leaves his sexual desire, food and drink for My Sake. Fasting is a screen (from Hell) and there are two pleasures for a fasting person, one at the time of breaking his fast, and the other at the time when he will meet his Lord. And the smell of the mouth of a fasting person is better in Allah's Sight than the smell of musk." (See Hadith No. 128, Vol. 3).  

عَنِ النَّبِيِّ ﷺ قَالَ يَقُولُ اللَّهُ ﷻ الصَّوْمُ لِي وَأَنَا أَجْزِي بِهِ يَدَعُ شَهْوَتَهُ وَأَكْلَهُ وَشُرْبَهُ مِنْ أَجْلِي وَالصَّوْمُ جُنَّةٌ وَلِلصَّائِمِ فَرْحَتَانِ فَرْحَةٌ حِينَ يُفْطِرُ وَفَرْحَةٌ حِينَ يَلْقَى رَبَّهُ وَلَخَلُوفُ فَمِ الصَّائِمِ أَطْيَبُ عِنْدَ اللَّهِ مِنْ رِيحِ الْمِسْكِ  

Yahya related to me from Malik from Abu'z Zinad from al-Araj from Abu Hurayra that the Messenger of Allah ﷺ said, "By the One in Whose hand my self is, the smell of the breath of a man fasting is better with Allah than the scent of musk.' He leaves his desires and his food and drink for My sake. Fasting is for Me and I reward it. Every good action is rewarded by ten times its kind, up to seven hundred times, except fasting, which is for Me, and I reward it.' "  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ وَالَّذِي نَفْسِي بِيَدِهِ لَخُلُوفُ فَمِ الصَّائِمِ أَطْيَبُ عِنْدَ اللَّهِ مِنْ رِيحِ الْمِسْكِ إِنَّمَا يَذَرُ شَهْوَتَهُ وَطَعَامَهُ وَشَرَابَهُ مِنْ أَجْلِي فَالصِّيَامُ لِي وَأَنَا أَجْزِي بِهِ كُلُّ حَسَنَةٍ بِعَشْرِ أَمْثَالِهَا إِلَى سَبْعِمِائَةِ ضِعْفٍ إِلاَّ الصِّيَامَ فَهُوَ لِي وَأَنَا أَجْزِي بِهِ  

[Machine] The Messenger of Allah ﷺ said: Allah, the Exalted, says, 'Fasting is for Me and I reward for it. He gives up his desires, his food, and his drink for My sake. The fasting person has two joys: a joy when he breaks his fast and a joy when he meets his Lord. The smell that comes from the mouth of a fasting person is better to Allah than the smell of musk.'  

قَالَ رَسُولُ اللهِ ﷺ يَقُولُ اللهُ ﷻ الصَّوْمُ لِي وَأَنَا أَجْزِي بِهِ يَدَعُ طَعَامَهُ وَشَرَابَهُ وَشَهْوَتَهُ مِنْ أَجْلِي فَالصَّوْمُ جُنَّةٌ وَلِلصَّائِمِ فَرْحَتَانِ فَرْحَةٌ حِينَ يُفْطِرُ وَفَرْحَةٌ حِينَ يَلْقَى اللهَ ﷻ وَلَخُلُوفُ فِيهِ أَطْيَبُ عِنْدَ اللهِ مِنْ رِيحِ الْمِسْكِ  

[Machine] And the Messenger of Allah ﷺ said, "By the One in whose hand is the soul of Muhammad, the breath of the fasting person is sweeter to Allah than the fragrance of musk. The fasting person abstains from their desires, food, and drink for My sake, and I will reward them for it."  

وَقَالَ رَسُولُ اللهِ ﷺ وَالَّذِي نَفْسُ مُحَمَّدٍ بِيَدِهِ لَخُلُوفُ فَمِ الصَّائِمِ أَطْيَبُ عِنْدَ اللهِ مِنْ رِيحِ الْمِسْكِ يَذَرُ شَهْوَتَهُ وَطَعَامَهُ وَشَرَابَهُ مِنْ جَرَّايَ فَالصِّيَامُ لِي وَأَنَا أَجْزِي بِهِ  

[Machine] "On the authority of the Prophet of Allah ﷺ , he said, 'The smell of the breath of a fasting person is more pleasing to Allah than the scent of musk.' He said, 'This person has fasted for my sake and has abandoned his desires for food and drink for my sake. The fasting is for me and I shall reward it.'"  

عَنْ نَبِيِّ اللهِ ﷺ أَنَّهُ قَالَ لَخُلُوفُ فَمِ الصَّائِمِ أَطْيَبُ عِنْدَ اللهِ مِنْ فَيْحِ الْمِسْكِ قَالَ صَامَ هَذَا مِنْ أَجْلِي وَتَرَكَ شَهْوَتَهُ عَنِ الطَّعَامِ وَالشَّرَابِ مِنْ أَجْلِي فَالصَّوْمُ لِي وَأَنَا أَجْزِي بِهِ  

[Machine] "Indeed, the Messenger of Allah ﷺ said: By the One in Whose hand is my soul, the smell from the mouth of a fasting person is more pleasant to Allah than the scent of musk. He leaves his food, drink, and desires for My sake. The fasting is for Me and I will reward it. Every good deed is rewarded ten times its like, up to seven hundred times, except for fasting, as it is for Me and I will reward it."  

إِنَّ رَسُولَ اللهِ ﷺ قَالَ وَالَّذِي نَفْسِي بِيَدِهِ لَخُلُوفُ فَمِ الصَّائِمِ أَطْيَبُ عِنْدَ اللهِ مِنْ رِيحِ الْمِسْكِ يَذَرُ طَعَامَهُ وَشَرَابَهُ وَشَهْوَتَهُ مِنْ أَجْلِي فَالصِّيَامُ لِي وَأَنَا أَجْزِي بِهِ كُلُّ حَسَنَةٍ بِعَشْرِ أَمْثَالِهَا إِلَى سَبْعِ مِائَةِ ضِعْفٍ إِلَّا الصِّيَامَ فَهُوَ لِي وَأَنَا أَجْزِي بِهِ  

[Machine] "Indeed, the Prophet ﷺ said that Allah Almighty narrates: 'Fasting is a shield by which My servant protects himself from the Fire, and fasting is for Me, and I will reward for it. The person fasting gives up their food and desires for My sake. By the One in whose hand is my soul, the smell emanating from the mouth of a fasting person is more pleasant to Allah on the Day of Resurrection than the fragrance of musk.'"  

أَنَّ النَّبِيَّ ﷺ قَالَ يَرْوِي عَنْ رَبِّهِ تَعَالَى «الصَّوْمُ جُنَّةٌ يُجَنُّ بِهَا عَبْدِي مِنَ النَّارِ وَالصَّوْمُ لِي وَأَنَا أَجْزِي بِهِ يَدَعُ طَعَامَهُ وَشَهْوَتَهُ مِنْ أَجْلِي وَالَّذِي نَفْسِي بِيَدِهِ لَخُلُوفُ فَمِ الصَّائِمِ عِنْدَ اللهِ ﷻ يَوْمَ الْقِيَامَةِ أَطْيَبُ مِنْ رِيحِ الْمِسْكِ»  

"قَال رَبُّكْمُ: الصَّوْمُ جُنَّةٌ مِنَ النَّارِ، وَلِى الصَّوْمُ وَأنَا أجْزِى به يَدَعُ شَهْوَتَه وَطَعَامَهُ وَشَرَابَهُ مِنْ أجْلِى، لَخَلُوفُ فمِ الصائِم أطيَبُ عنْدَ اللهِ مِن ريح الْمِسْكِ".