(42) باب مَا يُقَالُ فِي الرُّكُوعِ وَالسُّجُودِ
'A'isha reported:
The Messenger of Allah (may peace be upon him') often said while bowing and prostrating himself:" Glory be to Thee, O Allah, our Lord, and praise be to Thee, O Allah, forgive me," thus complying with the (command in) the Qur'an.
Reference: Sahih Muslim 484 a
In-book reference: Book 4, Hadith 247
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 981