أَخْبَرَنَا هَارُونُ بْنُ عَبْدِ اللَّهِ قَالَ حَدَّثَنَا مَعْنٌ ح وَالْحَارِثُ بْنُ مِسْكِينٍ قِرَاءَةً عَلَيْهِ وَأَنَا أَسْمَعُ عَنْ ابْنِ الْقَاسِمِ قَالَا حَدَّثَنَا مَالِكٌ عَنْ عَبْدِ الرَّحْمَنِ بْنِ عَبْدِ اللَّهِ بْنِ عَبْدِ الرَّحْمَنِ بْنِ أَبِي صَعْصَعَةَ عَنْ أَبِيهِ عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يُوشِكُ أَنْ يَكُونَ خَيْرَ مَالِ مُسْلِمٍ غَنَمٌ يَتَّبِعُ بِهَا شَعَفَ الْجِبَالِ وَمَوَاقِعَ الْقَطْرِ يَفِرُّ بِدِينِهِ مِنْ الْفِتَنِ

It was narrated that Abu Sa'eed Al-Khudri said: "The Messenger of Allah [SAW] said: 'Soon the best wealth of a Muslim will be the sheep which follows in the mountain peaks and places where rainfall is to be found, fleeing with his religion from the tribulations.'" Translation Not Available

Book Ref: Sunan An Nisai Book 47 Hadith 5036
Web Ref:  Sunan An Nisai Vol 6 Book 47 Hadith 5039