Qays reported: ‘Amr ibn al-‘As, may Allah be pleased with him, passed by the carcass of a dead mule and he said to his companions, “That one of you eat from this until his belly is full is better than to eat the flesh of his brother Muslim.”
Source: Muṣannaf Ibn Abī Shaybah 24950
Grade: Sahih (authentic) according to Al-Albani
عَنْ قَيْسٍ أَنَّ عَمْرَو بْنَ الْعَاصِ رضي الله عنه مَرَّ عَلَى بَغْلٍ مَيِّتٍ فَقَالَ لِأَصْحَابِهِ لأَنْ يَأْكُلْ أَحَدُكُمْ مِنْ هَذَا حَتَّى يَمْلَأَ بَطْنَهُ خَيْرٌ مِنْ أَنْ يَأْكُلَ لَحْمَ أَخِيهِ الْمُسْلِمِ
24950 مصنف ابن أبي شيبة
2838 المحدث الألباني خلاصة حكم المحدث صحيح في صحيح الترغيب