我认为不能比较不同的时代。每个时代都有自己的挑战和独特之处。

最大的风险是不冒任何风险……在一个变化非常快的世界里，唯一注定失败的策略就是不冒险。

一片叶子遮住眼睛，就连泰山也看不见了。

If I fail, I try again, and again, and again. If YOU fail, are you going to try again? The human spirit can handle much worse than we realize. It matters HOW you are going to FINISH. Are you going to finish strong?

A company's culture is defined by the worst behavior it tolerates.

伟大的公司建立在伟大的文化之上。

Every ton of coal we extract must create maximum value with minimum environmental impact.

你必须找到点燃你内心光芒的东西，这样你才能以自己的方式照亮世界。