Abu Dawud Book 3, Hadith Number 1674.

Chapter : Not known.

Narated By Umar ibn al-Khattab : The Apostle of Allah (PBUH) commanded us one day to give sadaqah. At that time I had some property. I said: Today I shall surpass AbuBakr if I surpass him any day. I, therefore, brought half my property. The Apostle of Allah (PBUH) asked: What did you leave for your family? I replied: The same amount. AbuBakr brought all that he had with him. The Apostle of Allah (PBUH) asked him: What did you leave for your family? He replied: I left Allah and His Apostle for them. I said: I shall never compete you in anything.