What can we learn from the hadith shared by Prophet Muhammad (saw) regarding 'Abd al-Malik b. 'Umair?
 The same hadith is narrated by Ubaidallah b. Umar al-Qawariri from Abu 'Uwana, who transmitted it to 'Abd al-Malik b. 'Umair on the same chain of transmitter and the hadith of Jarir is more perfect and comprehensive.