Sahih al-Bukhari 7088
صحيح البخاري#7088SahihNarrated Abu Sa`id Al-Khudri:Allah's Messenger (ﷺ) said, "There will come a time when the best property of a Muslim will be sheep which he will take to the tops of mountains and the places of rainfall so as to flee with his religion from the afflictions
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 92:39