Messenger of Allah ﷺ said, "A time will soon come when the best property of a Muslim will be sheep which he will take on the top of mountains and the places of rainfall (valleys) so as to flee with his religion from afflictions."  

أَنَّهُ قَالَ قَالَ رَسُولُ اللَّهِ ﷺ يُوشِكُ أَنْ يَكُونَ خَيْرَ مَالِ الْمُسْلِمِ غَنَمٌ يَتْبَعُ بِهَا شَعَفَ الْجِبَالِ وَمَوَاقِعَ الْقَطْرِ يَفِرُّ بِدِينِهِ مِنَ الْفِتَنِ