the messenger of Allah (may Allah’s peace and blessings be upon him) used to recite in his bowing and prostration: ""You are the Most Glorious, the Most Holy, and the lord of the angels and of the Spirit. [Muslim]

"كانّ رسولَ اللهِ -صلى الله عليه وسلم- يقول في ركوعه وسجودِه: «سبُّوحٌ قُدُّوسٌ رَبُّ المَلاَئِكَةِ وَالرُّوحِ». [صحيح.] - [رواه مسلم.]"