When we were children we used to say, "The one who takes back his gift is like a dog that vomits and then returns to its vomit," but we did not know that the Messenger of Allah ﷺ had coined this as a parable until Ibn Abbas reported to us that the Messenger of Allah ﷺ said, "The one who takes back his gift is like a dog that vomits and then returns to its vomit."
حدثنا عفان حدثنا وهيب حدثنا
كنا نقول ونحن صبيان العائد في هبته كالكلب يقيء ثم يعود في قيئه ولم نعلم أن رسول الله ﷺ ضرب في ذلك مثلا حتى حدثنا ابن عباس أن رسول الله ﷺ قال العائد في هبته كالكلب يقيء ثم يعود في قيئه