Sahih al-Bukhari 6975

Arabic

حَدَّثَنَا أَبُو نُعَيْمٍ، حَدَّثَنَا سُفْيَانُ، عَنْ أَيُّوبَ السَّخْتِيَانِيِّ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم ‏ "‏ الْعَائِدُ فِي هِبَتِهِ كَالْكَلْبِ يَعُودُ فِي قَيْئِهِ، لَيْسَ لَنَا مَثَلُ السَّوْءِ ‏"‏‏.‏

English translation

Narrated Ibn `Abbas:The Prophet (ﷺ) said, "The one who takes back his gift is like a dog swallowing its own vomit, and we (believers) should not act according to this bad example

Reference: Sahih al-Bukhari 6975, Book of Tricks. English translation by Dr. Muhammad Muhsin Khan.