书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问。

"The only thing that is infinite is the universe and human stupidity."

成功的关键是专注于目标，而不是障碍。

The moment the idea is admitted into society that property is not as sacred as the laws of God, and that there is not a force of law and public justice to protect it, anarchy and tyranny commence.

人生最大的遗憾，莫过于轻易地放弃了不该放弃的，固执地坚持了不该坚持的。