I'll tell you where he beats me though and where he beats the world. He doesn't give a damn about what the enemy does out of his sight, but it scares me like hell.
Source, in full
Comments to James H. Wilson (22 October 1864), as quoted in Under the Old Flag: Recollections of Military Operations in the War for the Union, the Spanish War, the Boxer Rebellion, etc Vol. 2 (1912) by James Harrison Wilson, p. 17.