明智地思考却愚蠢地行动，这是人性。

Psychology should be the science of mental life, both of its phenomena and of their conditions.

The writer is a person who writes, not a person who is written about.

能源的未来在于传统资源与可再生能源之间的平衡。#

The most elegant proofs are those that reveal the heart of the problem with clarity.

我们可以在游戏和体操中，在陆地和水中旅行时，在空气和海洋的风暴中，以及在任何有物质运动的地方，找到科学最高学说的例证。