The madman is not the man who has lost his reason. The madman is the one who has lost everything except his reason.

The madman is not the man who has lost his reason. The madman is the one who has lost everything except his reason.

疯子不是失去理智的人。疯子是一个失去一切的人，除了他的理智。

-- G. K. Chesterton 特顿