Whoever does not regard what he has as most ample wealth, is unhappy, though he be master of the world.

Whoever does not regard what he has as most ample wealth, is unhappy, though he be master of the world.

凡不以自己所有为最大财富的人，虽是世界的主人，却是不快乐的。

-- Epictetus 埃皮克特斯