Aishah (ra) narrated from:
He said that the Prophet (peace be upon him) used to prostrate recitation of the Quran at night and would say repeatedly in sijdah: 'Sajda Wajahia Lillayee Khalqbahu Sha Shakka Sa'ahu wa Basrah, B-Haolihi wa Kuwatihi (Meaning: My face prostrates itself to the person who has created him, has hearing in the ears and eyes in the eyes, because of his kindness and strength.
