钢铁行业必须拥抱可持续性，否则就有被淘汰的风险。
The steel industry must embrace sustainability or risk becoming obsolete.
I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.
有时候，正是那些没人对他们抱有任何期望的人，做出了没人能想象到的事。
我学得越多，就越意识到自己不知道的还有多少。
The most important thing in mathematics is to ask the right questions.