Sunan Ibn Majah 1711
سنن ابن ماجه#1711Sahihحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، عَنْ أَبِي بِشْرٍ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ: كَانَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ يَصُومُ حَتَّى نَقُولَ: لاَ يُفْطِرُ. وَيُفْطِرُ حَتَّى نَقُولَ: لاَ يَصُومُ . وَمَا صَامَ شَهْرًا مُتَتَابِعًا إِلاَّ رَمَضَانَ، مُنْذُ قَدِمَ الْمَدِينَةَ .
It was narrated that Ibn ‘Abbas said:“The Messenger of Allah (ﷺ) used to fast until we thought he would never stop fasting. And he used to not fast until we thought we would never fast. And he never fasted any complete month apart from Ramadan, from the time he came to Al- Madinah.”
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 7:74