Hisnul Muslim 256

Excellence of remembrance and glorification of Allah

سُبْحَانَ اللَّهِ وَبِحَمْدِهِ وسُبْحَانَ اللَّهِ الْعَظِيمِ

Subhaanal-laahi wa bihamdihi, Subhaanal-laahil-'Adheem.

The Prophet (SAW) said: "Two words are light on the tongue, weigh heavily in the balance, and are loved by the Most Merciful One is: "Glorified is Allah and praised is He, Glorified is Allah the Most Great".