Sahih al-Bukhari 2892
صحيح البخاري#2892SahihNarrated Sahl bin Sa`d As-Sa'idi:Allah's Messenger (ﷺ) said, "To guard Muslims from infidels in Allah's Cause for one day is better than the world and whatever is on its surface, and a place in Paradise as small as that occupied by the whip of one of you is better than the world and whatever is on its surface; and a morning's or an evening's journey which a slave (person) travels in Allah's Cause is better than the world and whatever is on its surface
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: 56:107