People can be really smart or have skills that are directly applicable, but if they don't really believe in it, then they are not going to really work hard.

教育是最有力的武器，可以改变世界。

Innovation starts with asking, ‘What if?’

你穿过的门原来是什么样子，走过去以后也要保持那个样子。

"The most effective way to destroy people is to deny and obliterate their own understanding of their history."

在采矿业，安全不仅仅是政策 - 它是个人问题。