(12) باب الْمُؤْمِنُ يَأْكُلُ فِي مِعًى وَاحِدٍ
Narrated `Amr:
Abu Nahik was avaricious eater. Ibn `Umar said to him, "Allah's Messenger (ﷺ) said, "A Kafir (unbeliever) eats in seven intestines (eats much)." On that Abu Nahik said, "But I believe in Allah and His Apostle ."
Reference: Sahih al-Bukhari 5395
In-book reference: Book 70, Hadith 23
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 65, Hadith 307