Sahih al-Bukhari 6345
صحيح البخاري#6345SahihNarrated Ibn `Abbas:The Prophet (ﷺ) used to invoke Allah at the time of distress, saying, "La ilaha illal-lahu Al-`Azim, al- Halim, La ilaha illal-lahu Rabbu-s-samawati wal-ard wa Rabbu-l-arsh il-azim
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: 80:42