Narrated Abdullah ibn Masud: The Prophet صلی اللہ علیہ وسلم used to give the salutation to his left and right sides until the whiteness of his cheek was seen, (saying: Peace be upon you, and mercy of Allah twice. Abu Dawud said: This is a version of the tradition reported by Abu Sufyan. The version of Isra'il did not explain it. Abu Dawud said: This tradition has been narrated by Zubayr from Abu Ishaq and Yahya ibn Adam from Isra'il from Abu Ishaq from Abdur Rahman ibn al-Aswad from his father from Alqamah on the authority of Abdullah ibn Masud. Abu Dawud said: Shubah used to reject this tradition, the tradition narrated by Abu Ishaq as coming from the Prophet صلی اللہ علیہ وسلم.