(30) باب لاَ يَحِلُّ لأَحَدٍ أَنْ يَرْجِعَ فِي هِبَتِهِ وَصَدَقَتِهِ
Narrated Ibn `Abbas:
The Prophet (ﷺ) said, "He who takes back his present is like him who swallows his vomit."
Reference: Sahih al-Bukhari 2621
In-book reference: Book 51, Hadith 53
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 47, Hadith 790