Urwa ibn al-Zubayr عروة بن الزبير · Chapters On Wala' And Gifts

"The parable of the one who gives a gift, and then takes it back, is that of a dog who eats until he is full, and vomits, then he returns to his vomit." There are narrations on this topic from Ibn 'Abbas and 'Abdullah bin 'Amr.