حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا ابْنُ لَهِيعَةَ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ ‏"‏ إِذَا أَكَلَ أَحَدُكُمْ طَعَامًا فَسَقَطَتْ لُقْمَةٌ فَلْيُمِطْ مَا رَابَهُ مِنْهَا ثُمَّ لْيَطْعَمْهَا وَلاَ يَدَعْهَا لِلشَّيْطَانِ ‏"‏ ‏.‏ قَالَ وَفِي الْبَابِ عَنْ أَنَسٍ ‏.‏
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Narrated Anas

"When the Prophet (ﷺ) ate, he would lick his three fingers, and he said: 'If one of you drops a piece (of food) then let him remove any harm (dirt) from it and eat it, and do not leave it for Ash-Shaitan.' And he would order us to finish (clean) the dish. And he said: 'Indeed you do not know in which part of your food is the blessing.'

[Abu 'Eisa said:] This Hadith is Hasan Gharib Sahih.