Sunan an-Nasa'i 3693
سنن النسائي#3693Sahihأَخْبَرَنَا مَحْمُودُ بْنُ خَالِدٍ، قَالَ حَدَّثَنَا عُمَرُ، عَنِ الأَوْزَاعِيِّ، قَالَ حَدَّثَنِي مُحَمَّدُ بْنُ عَلِيِّ بْنِ حُسَيْنٍ، قَالَ حَدَّثَنِي سَعِيدُ بْنُ الْمُسَيَّبِ، قَالَ حَدَّثَنِي عَبْدُ اللَّهِ بْنُ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَثَلُ الَّذِي يَرْجِعُ فِي صَدَقَتِهِ كَمَثَلِ الْكَلْبِ يَرْجِعُ فِي قَيْئِهِ فَيَأْكُلُهُ " .
Abdullah bin 'Abbas said:"The Messenger of Allah said: 'The likeness of the one who takes back his gift, is that of a dog which goes back to its vomit and eats it
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: 32:6