WE NARRATE IN the Sunan of Abū Dāwūd that ‘Abdullāh ibn Mas‘ūd 
reported that the Messenger of Allah 
liked to make du‘ā’ thrice and to ask for forgiveness thrice. [1].
reported that the Messenger of Allah liked to make du‘ā’ thrice and to ask for forgiveness thrice. [1].References
[1] Abū Dāwūd (1524), an-Nasā’ī in ‘Amal al-yawm wa al-laylah (457), and Ibn as-Sunnī (370).