Sunan Ibn Majah 1781
سنن ابن ماجه#1781Da'ifحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ عَبْدِ الْكَرِيمِ، حَدَّثَنَا مُحَمَّدُ بْنُ أُمَيَّةَ، حَدَّثَنَا عِيسَى بْنُ مُوسَى الْبُخَارِيُّ، عَنْ عَبِيدَةَ الْعَمِّيِّ، عَنْ فَرْقَدٍ السَّبَخِيِّ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ قَالَ فِي الْمُعْتَكِفِ " هُوَ يَعْكِفُ الذُّنُوبَ وَيُجْرَى لَهُ مِنَ الْحَسَنَاتِ كَعَامِلِ الْحَسَنَاتِ كُلِّهَا " .
It was narrated from Ibn ‘Abbas that:The Messenger of Allah (ﷺ) said concerning the person observing I’tikaf. “He is refraining from sin and he will be given a reward like that of one who does all kinds of good deeds.”
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: 7:144