Dua 1
سُبْحَانَ رَبِّيَ الْعَظِيْمِ1
“Glory be to my Lord, the Magnificent.” Say it three times.2
Sahih Muslim, no. (772), Sunan Abi Dawud, no. (874), Sunan at-Tirmidhi, no. (262), Sunan an-Nasa'i, no. (1665), Sunan Ibn Majah, no. (888).
Hasan li-ghairihi, Sunan Abi Dawud, no. (885), Sunan Ibn Majah, no. (888), and al-Albani graded it Sahih in “Sahih Abi Dawud”, no. (828). For details see: Anwar an-Nasihah (d/885).