The Prophet ﷺ said, "The believer eats with one stomach, while the disbeliever eats with seven stomachs."
ى، عن النبي ﷺ قال: المؤمن يأكل في معى واحد، والكافر يأكل في سبعة أمعاء.
Muslim narrated it in the Book of Drinks (2062:185), from Abu Kurayb Muhammad bin Ala, who said, Abu Usama narrated to us, who said, Buraid narrated to us, from his grandfather, from Abu Musa, and he mentioned it.