People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.

The mining industry has a responsibility to leave communities better than we found them.

我记得，他总是反抗。他反抗是因为他知道如果他不反抗，下次就更不会反抗了。

你无法取悦所有人，所以做你自己就好。

时间是我们防止一切同时发生的手段。

What I’m doing right now, I’m chasing perfection.

"The only way to create real prosperity is to provide people with the freedom to innovate and create value."

世界历史可以这样总结:强国总行不义。等到他们醒悟了,他们不已经不再强了。