´Muhammad bin ‘Amr bin ‘Ata’ said:` “I heard Abu Humaid As-Sa’idi say: ‘When the Messenger of Allah (ﷺ) stood up for prayer, he would face the prayer direction, raise his hands, and say: “Allahu Akbar (Allah is Most Great).”
Hadith ReferenceSunan Ibn Majah / Establishing the Prayer and the Sunnah Regarding Them / Hadith: 803