相信有时需要勇气。

Profit and purpose are not opposites; they must go hand in hand.

写作就是重写。

I'm as proud of many of the things we haven't done as the things we have done.Innovation is saying no to a thousand things.

Innovation is the backbone of modern mining—without it, we're just digging holes in the ground.

成功的真正衡量标准不仅仅是盈利能力，还有我们为子孙后代留下的积极影响。