The most sustainable quarry is the one that balances production with environmental stewardship.

(Physics is) a good framework for thinking....Boil things down to their fundamental truths and reason up from there.

没有单一版本的历史；只有不同的视角。

结构之美在于其逻辑性。

The most important thing in science is not to solve problems, but to ask the right questions.

"You never really understand a person until you consider things from his point of view."

You are never too old to set another goal or to dream a new dream.

思维的多样性带来创新；人的多样性带来力量。