Volume 8 · Book 75 · Hadith 356
Narrated Ibn Abbas: The Prophet used to invoke Allah at the time of distress, saying, "La ilaha illal-lahu al-'Azim, al-Halim, La ilaha illallahu Rabbu-s-samawati wal-ard wa Rabbu-l-arsh il-azim,"
— Sahih Bukhari, Volume 8, Book 75: Invocations, Hadith #356