It wasnarrated from 'Aishah that when the Prophet (ﷺ) startedSalat hewould say:
"Subhanak Allahumma wa bi hamdika, wa tabarakas-muka wata'ala jadduka, wa la ilaha ghayruk (Glory and praise is toYou, OAllah, blessed is Your Name and exalted is Your majesty, nonehas theright to be worshipped but You)."
English reference: Vol. 1, Book 5, Hadith 806
Arabic reference: Book 5, Hadith 855