煤炭的真实成本必须既考虑其即时价值，也考虑其对社区和生态系统的长期影响。

Success in business requires training and discipline and hard work. But if you're not frightened by these things, the opportunities are just as great today as they ever were.

领导力在于让他人因你的存在而变得更好，并确保这种影响在你离开后依然持续。

I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.

Innovation is not just about technology; it's about changing the way people think and act.