Sunan Abi Dawud 4267
سنن أبي داود#4267SahihNarrated Abu Sa’id Al Khudri :The Messenger of Allah (ﷺ) as saying: A Muslim's best property will soon be sheep which he will take to the tops of the mountains and the places where the rain falls, fleeing with his religion from the civil strife (fitan)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (19)
In-book reference: 37:28