Sahih Muslim Book: 14, Hadith: 2777

حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ أَبِي النَّضْرِ، مَوْلَى عُمَرَ بْنِ عُبَيْدِ اللَّهِ عَنْ أَبِي سَلَمَةَ بْنِ عَبْدِ الرَّحْمَنِ، عَنْ عَائِشَةَ أُمِّ الْمُؤْمِنِينَ، – رضى الله عنها – أَنَّهَا قَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَصُومُ حَتَّى نَقُولَ لاَ يُفْطِرُ ‏.‏ وَيُفْطِرُ حَتَّى نَقُولَ لاَ يَصُومُ ‏.‏ وَمَا رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم اسْتَكْمَلَ صِيَامَ شَهْرٍ قَطُّ إِلاَّ رَمَضَانَ وَمَا رَأَيْتُهُ فِي شَهْرٍ أَكْثَرَ مِنْهُ صِيَامًا فِي شَعْبَانَ ‏.‏ ‘A’isha, the Mother of the Believers (Allah be pleased with her), reported that the Messenger of Allah (may peace be upon him) used to observe fasts (so conti- nuously) that we said that he would not break, and did not observe (them) till we said that he would not fast:and I did not see the Messenger of Allah (may peace be upon him) completing the fast of a month, but that of Ramadan, and I did not see him fasting more in any other month tha...