电锯不会毁掉森林，短视思维才会。

Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes.

任何在科学探索中追求即时实用价值的人，可以确信他的追求是徒劳的。

煤炭开采的创新不仅仅是关于开采，而是更智能、更安全、更尊重环境地开采。

成绩差距主要是知识差距。