Yahya related to me from Malik from Abu'z-Zinad from al-Araj thatAbu Hurayra said, "The Messenger of Allah, may Allah bless him andgrant him peace, said, 'The muslim eats in one intestine, and thekafir eats in seven!' "
USC-MSA web (English) reference: Book 49, Hadith 9
Arabic reference: Book 49, Hadith 1682