Sunan Ibn Majah
3806
Sahih+3

It was narrated from Abu Hurairah that :the Messenger of Allah (ﷺ) said: 'Two words which are light on the tongue and heavy in the Balance, and beloved to the Most Merciful: Subhan-Allah wa bi hamdihi, Subhan-Allahil-'Azim (Glory and praise is to Allah, glory is to Allah the Almighty)

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi