(153) باب مَا يَقُولُ الرَّجُلُ فِي رُكُوعِهِ وَسُجُودِهِ
'Aishah said that the prophet (ﷺ) used to say when bowing and prostrating, "All-Glorious, All-Holy, Lord of the angels and spirit.
Reference: Sunan Abi Dawud 872
In-book reference: Book 2, Hadith 482
English translation: Book 2, Hadith 871