What were the qualities of `Umar bin Al-Khattab that Ibn `Umar noticed, ever since the passing of Prophet Muhammad (saw)?
 Narrated Aslam:                     Ibn `Umar asked me about some matters concerning `Umar. He said, "Since Allah's Apostle died. I have never seen anybody more serious, hard working and generous than `Umar bin Al-Khattab (till the end of his life."