The Messenger of Allah ﷺ said, "Do not eat with your left hand, for Satan eats with his left hand."
حدثنا محمد بن رمح أنبأنا الليث بن سعد عن أبي الزبير
عن رسول الله ﷺ قال لا تأكلوا بالشمال فإن الشيطان يأكل بالشمال
Muslim narrated it in the Book of Drinks, in the chapter on the etiquettes and rulings of food and drink, hadith no. 2019, from Muhammad bin Rumh, with this wording.