Sahih Muslim
The Book of Virtue, Good Manners and Joining of the Ties of Relationship (Kitab Al-Birr was-Salat-I-wal-Adab)
Book Number: 032 / Hadith Number: 6256
Jabir b. 'Abdullah reported that a person from the emigrants struck the back of an Ansari. He came to Allah's Apostle (may peace be upon him) and asked for compensation. Thereupon Allah's Apostle (may peace be upon him) said: Leave it. for it is something disgusting. Ibn Mansur said that in the narration transmitted on the authority of Amr (these words are also found):" I heard Jabir."