Extraordinary claims should require extraordinary evidence to be believed.

If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

"The role of business is to produce goods and services that people value more highly than their cost, and to do so while consuming as few resources as possible."

The best way to predict the future is to create it.

成功的关键是在生活的各个方面不断成长——精神、情感、灵性以及身体。

在这种状态下，没有工业...而且最糟糕的是，持续的恐惧和暴力死亡的危险。