Sahih Muslim Book 4, Hadith Number 761.
Chapter : The excellence of Adhin and running away of the Satan on hearing it.
Abu Qilaba reported that he saw Malik b. Huwairith raising his hands at the beginning of prayer and raising his hands before kneeling down, and raising his hands after lifting his head from the state of kneeling, and he narrated that the Messenger of Allah (may peace be upon him) used to do like this.