Arabic Text
حَدَّثَنِي عُثْمَانُ بْنُ أَبِي شَيْبَةَ، أَخْبَرَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنْ عَلِيِّ بْنِ الأَقْمَرِ، عَنْ أَبِي جُحَيْفَةَ، قَالَ كُنْتُ عِنْدَ النَّبِيِّ صلى الله عليه وسلم فَقَالَ لِرَجُلٍ عِنْدَهُ " لاَ آكُلُ وَأَنَا مُتَّكِئٌ ".
English Translation
Narrated Abu Juhaifa: While I was with the Prophet he said to a man who was with him, "I do not take my meals while leaning."
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.