Sahih al-Bukhari 4516
صحيح البخاري#4516SahihNarrated Abu Wail:Hudhaifa said, "The Verse:-- "And spend (of your wealth) in the Cause of Allah and do not throw yourselves in destruction," (2.195) was revealed concerning spending in Allah's Cause (i.e. Jihad)
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: 65:41