Sahih al-Bukhari 6610
صحيح البخاري#6610SahihNarrated Abu Musa:While we were with Allah's Messenger (ﷺ) in a holy battle, we never went up a hill or reached its peak or went down a valley but raised our voices with Takbir. Allah's Messenger (ﷺ) came close to us and said, "O people! Don't exert yourselves, for you do not call a deaf or an absent one, but you call the All- Listener, the All-Seer." The Prophet (ﷺ) then said, "O `Abdullah bin Qais! Shall I teach you a sentence which is from the treasures of Paradise? ( It is): 'La haula wala quwata illa billah. (There is neither might nor power except with Allah)
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: 82:16