Hadithcore
Riyad as-Salihin, 159

Salamah bin Al-Akwa' (May Allah be pleased with him) reported:

My father said that a person ate in the presence of Messenger of Allah (ﷺ) with his left hand. He (ﷺ) said, "Eat with your right hand". He said, "I cannot do that." Thereupon he (the Prophet) said, "May you never do that." It was pride that prevented him from doing it. And he could not raise it (the right hand) up to his mouth afterwards. <b>[Muslim]</b>.

الرابع‏:‏ عن أبي مسلم، وقيل ‏:‏ أبي إياس سلمة بن عمرو بن الأكوع رضي الله عنه ، أن رجلاً أكل عند رسول الله صلى الله عليه وسلم بشماله فقال‏:‏ ‏"‏كل بيمينك‏"‏ قال‏:‏ لا أستطيع‏.‏ قال‏:‏ ‏"‏ لا استطعت‏"‏ ما منعه إلا الكبر، فما رفعها إلى فيه ‏.‏ ‏(‏‏(‏رواه مسلم‏)‏‏)‏‏.‏

References1 variant
In-Book Reference
Introduction, Hadith 159
Sharh · explanationclick to expand
<b>Guidance from the Hadith:</b><br> 1) Violating the command of the Messenger of Allah (may Allah’s peace and blessings be upon him) incurs punishment upon the violator.<br> 2) It encourages eating with the right hand and developing this habit in young children so that we have a generation raised upon the Prophetic Sunnah.
Related hadiths3
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