Sahih al-Bukhari 2589

Arabic

حَدَّثَنَا مُسْلِمُ بْنُ إِبْرَاهِيمَ، حَدَّثَنَا وُهَيْبٌ، حَدَّثَنَا ابْنُ طَاوُسٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم ‏ "‏ الْعَائِدُ فِي هِبَتِهِ كَالْكَلْبِ يَقِيءُ، ثُمَّ يَعُودُ فِي قَيْئِهِ ‏"‏‏.‏

English translation

Narrated Ibn `Abbas:The Prophet (ﷺ) said, "One who takes back his gift (which he has already given) is like a dog that swallows its vomit

Reference: Sahih al-Bukhari 2589, Book of Gifts. English translation by Dr. Muhammad Muhsin Khan.