A narration by al-Bukhari has:

"An evil example does not apply to us, one who repossesses a gift is like a dog which vomits and then returns to its vomit."

وَفِي رِوَايَةٍ لِلْبُخَارِيِّ : { لَيْسَ لَنَا مَثَلُ اَلسَّوْءِ, اَلَّذِي يَعُودُ فِي هِبَتِهِ كَالْكَلْبِ يَرْجِعُ فِي قَيْئِهِ } [1]‏ .‏