To have friends, you know, one need only be good-natured; but when a man has no enemy left there must be something mean about him.
Source: Prince Paul, in Vera, or the Nihilists, act 2.
-- 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.