حَدَّثَنَا يَحْيَى بْنُ حَمَّادٍ حَدَّثَنَا أَبُو عَوَانَةَ عَنْ أَبِي بِشْرٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ قَالَ وَاللَّهِ مَا صَامَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ شَهْرًا كَامِلًا قَطُّ غَيْرَ رَمَضَانَ وَكَانَ إِذَا صَامَ صَامَ حَتَّى يَقُولَ الْقَائِلُ لَا وَاللَّهِ لَا يُفْطِرُ وَيُفْطِرُ إِذَا أَفْطَرَ حَتَّى يَقُولَ الْقَائِلُ وَاللَّهِ لَا يَصُومُ
مسند امام احمد بن حنبل · Hadith 2949
It was narrated that Ibn 'Abbas (RA) said: By Allah, the Messenger of Allah (PBUH) never fasted any month in full except Ramadan. When he fasted, he would fast until one would say: By Allah, he will never stop fasting. And he would refrain from fasting until one would say: By Allah, he would never fast.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020
Sanad
حَدَّثَنَا يَحْيَى بْنُ حَمَّادٍ حَدَّثَنَا أَبُو عَوَانَةَ عَنْ أَبِي بِشْرٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ