He would stab his best friend for the sake of writing an epigram on his tombstone.
Source: The Czarevitch, in Vera, or the Nihilists, act 2, referring to Prince Paul.
-- Oscar Wilde, (Oct 16 1856-1900), Anglo-Irish playwright, novelist; He was noted for his flamboyant witty, sophisticated plays, e.g., The Importance of Being Ernest, 1895.