The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

我不考虑我的遗产。我只是在做我喜欢的事。

"To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment."

如果你想要与别人制造羁绊，就要承担流泪的风险。

我对人类的状况以及人们在极端压力下的反应感兴趣。

煤炭的未来在于清洁高效利用。