In things pertaining to enthusiasm, no man is sane who does not know how to be insane on proper occasions.

In things pertaining to enthusiasm, no man is sane who does not know how to be insane on proper occasions.

在有关热情的事情上，不知道如何在适当的场合发疯的人是不理智的。

-- Henry Ward Beecher 亨利·沃德·比彻