应该让材料自己说话。
Materials should be allowed to speak for themselves.
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. And that, of course, causes great confusion.
真相并不总是最令人安慰的，但它是最必要的。
The challenges we face in energy are not just technical; they are deeply human.