I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up.

我的失明从来不是一种限制；它教会了我以不同的方式看世界。

不管怎样，还是要帮助。

数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。

所有的企业都应该永远保持年轻，如果你与客户一同变老，你就会重蹈伍尔沃斯(Woolworth)公司的覆辙。