可持续性不是一种选择，而是我们对后代的责任。
Sustainability isn't an option—it's our responsibility to future generations.
Never underestimate the importance of "useless" fundamental research.
Coal built this country, and coal will keep it strong.
The world is changed by your example, not by your opinion.
The past is never dead. It's not even past.
成功不是终点，失败也不是致命的：重要的是继续前进的勇气。
我已经学会通过限制欲望来寻求幸福，而不是试图满足它们。
We are all exiles from someplace, even if it's from our own childhood.
最终，我们记住的不是敌人的话语，而是朋友的沉默。