Diversity in mining isn't optional—it's essential for growth.

A sustainable future for coal depends on our ability to integrate cleaner practices without sacrificing the livelihoods of those who depend on the industry.

成功最美好的事情就是能够分享它。

我认为成绩记录非常重要。如果你开始尝试在像诚实这样的简单事情上保持完美，你就在通往这个世界的成功之路上迈出了重要一步。

And we also suck in messages from everything from the television, to advertising, to marketing, etc. These are hugely powerful forces that define what we want and how we view ourselves. When we're told that banking is a very respectable profession, a lot of us want to go into banking. When banking is no longer so respectable, we lose interest in banking. We are highly open to suggestion.

物理学和数学之间的界限并不像我们想象的那么清晰。

The future of economic growth lies in the ability to harness the power of information and technology to drive innovation and productivity.