Sahih Bukhari, Hadith No. 6406: Narrated Abu Huraira (R.A): The Prophet (S.A.W) said, "There are two expressions which are very easy for the tongue to say, but they are very heavy in the balance and are very dear to The Beneficent (Allah), and they are, 'Subhan Allah Al-Azim' and 'Subhan Allah wa bihamdihi'".

Sahih Bukhari, Hadith No. 6406

Narrated Abu Huraira (R.A): The Prophet (S.A.W) said, "There are two expressions which are very easy for the tongue to say, but they are very heavy in the balance and are very dear to The Beneficent (Allah), and they are, 'Subhan Allah Al-Azim' and 'Subhan Allah wa bihamdihi'".