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bukhari:170Mālik b. Ismāʿīl > Isrāʾīl > ʿĀṣim > Ibn Sīrīn

I said to ʿAbida, "I have some of the hair of the Prophet ﷺ which I got from Anas or from his family." ʿAbida replied. "No doubt if I had a single hair of that it would have been dearer to me than the whole world and whatever is in it."  

البخاري:١٧٠حَدَّثَنَا مَالِكُ بْنُ إِسْمَاعِيلَ قَالَ حَدَّثَنَا إِسْرَائِيلُ عَنْ عَاصِمٍ عَنِ ابْنِ سِيرِينَ قَالَ

قُلْتُ لِعَبِيدَةَ عِنْدَنَا مِنْ شَعَرِ النَّبِيِّ ﷺ أَصَبْنَاهُ مِنْ قِبَلِ أَنَسٍ أَوْ مِنْ قِبَلِ أَهْلِ أَنَسٍ فَقَالَ لأَنْ تَكُونَ عِنْدِي شَعَرَةٌ مِنْهُ أَحَبُّ إِلَىَّ مِنَ الدُّنْيَا وَمَا فِيهَا