Every perception is a symphony of the nervous system.

The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.

如果一个国家期望在国民无知的情况下却拥有自由，那么这种期望无论在历史上，还是未来都绝不会实现。如果我们打算抵御无知和捍卫自由，每位美国人都有责任了解一件公共事务的来龙去脉。

In times of crisis, true leadership is tested and revealed.

The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.

Challenges in the oil sector are opportunities to innovate and grow.

一个不以其历史为荣的国家永远无法创造历史。