Hendaklah kalian berpuasa, karena tidak ada ibadah yang sebanding dengannya
Imam Ahmad : 21245حَدَّثَنَا سُلَيْمَانُ بْنُ دَاوُدَ حَدَّثَنَا شُعْبَةُ عَنْ مُحَمَّدِ بْنِ عَبْدِ اللَّهِ بْنِ أَبِي يَعْقُوبَ سَمِعَ أَبَا نَصْرٍ عَنْ أَبِي أُمَامَةَ قَالَ قُلْتُ يَا رَسُولَ اللَّهِ أَخْبِرْنِي بِعَمَلٍ يُدْخِلُنِي الْجَنَّةَ قَالَ عَلَيْكَ بِالصَّوْمِ فَإِنَّهُ لَا عِدْلَ لَهُ أَوْ قَالَ لَا مِثْلَ لَهُ
Narrated to us [Sulaiman bin Dawud] Narrated to us [Syu'bah] from [Muhammad bin 'Abdullah bin Abu Ya'qub], he heard [Abu Nashr] from [Abu Umamah] say: I said: O Messenger of Allah! Tell me a practice that can put me into heaven? Rasulullah Peace be upon himsaid: "Fast because fasting is incomparable" or said: "There's no similarity.