Ignoring isn’t the same as ignorance, you have to work at it.

The difference between a moral man and a man of honor is that the latter regrets a discreditable act even when it has worked.

抽象的力量在于它允许我们在更高的层次上推理系统，而不会被细节所困扰。

想要致富是人类的本能，这并不可耻。

人对他自己建筑起堤防来。

发现可能性的极限的唯一方法就是超越它们进入不可能。