Yahya related to me from Malik from Ibn Shihab that AIi ibn
Husayn ibn Ali ibn Abi Talib said, "The Messenger of Allah, may Allah
bless him and grant him peace, used to say, 'Allah is greater'
whenever he lowered himself and raised himself, and he continued to
pray like that until he met Al lah ."
Muwatta Malik Book 3, Hadith 18