(196) بَابُ مَنْ كَرِهَ أَمْثَالَ السَّوْءِ
Ibn 'Abbas reported that the Prophet, may Allah bless him and granthim peace, said, "We do not give a bad example. The one who takes backhis gift is like the dog who returns to his own vomit." (ID)
Reference (ID): Al-Adab Al-Mufrad 417 (ID)
In-book reference (ID): Book 23, Hadith 3 (ID)
English translation (ID): Book 23, Hadith 417 (ID)