Musnad Ahmad 1153:13

Hashim narrated to us, he said: Khalid narrated to us, from Abu al-Aliyah, from Aisha, who said: The Messenger of Allah, peace and blessings of Allah be upon him, used to say during the prostration of the Quran: "My face has prostrated to the One who created it, and fashioned its hearing and its sight by His might and His power."