Like it is in the sunan of An Nasaa'i and Ibn Maajah and other than them from the hadeeth of the Prophet (sallallahu alaihi wa sallam) on the authority of Abu Dardaa the Prophet (sallallahu alaihi wa sallam) said "Shall I not inform you about the best of your deeds with Allah and the purest of them with your King and the highest of them in status for you which are better for you than spending gold and silver in charity and better than meeting your enemy and cutting off their heads, while they also cut off yours?" 