Riyad as-Salihin

Ibn 'Umar (May Allah be pleased with them) said: The Messenger of Allah (ﷺ) said, "No person should eat and drink with his left hand for Satan eats with his left hand and drinks with his left hand."

[Muslim].

- وعن ابن عمر رضي الله عنهما أن رسول الله قال‏:‏ ‏"‏لا يأكلن أحدكم بشماله، ولا يشربن بها‏.‏ فإن الشيطان يأكل بشماله ويشرب بها‏"‏ ‏(‏‏(‏رواه مسلم‏)‏‏)‏‏.‏