Sunan an-Nasa'i 3698
سنن النسائي#3698Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ الْعَلاَءِ، قَالَ حَدَّثَنَا أَبُو خَالِدٍ، - وَهُوَ سُلَيْمَانُ بْنُ حَيَّانَ - عَنْ سَعِيدِ بْنِ أَبِي عَرُوبَةَ، عَنْ أَيُّوبَ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لَيْسَ لَنَا مَثَلُ السَّوْءِ الْعَائِدُ فِي هِبَتِهِ كَالْعَائِدِ فِي قَيْئِهِ " .
It was narrated that Ibn 'Abbas said:"The Messenger of Allah said: 'It does not befit us to leave bad examples. The one who takes back his gift is like the one who goes back to his vomit
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: 32:11