我一直更喜欢研究具体问题而非抽象理论。
I have always preferred working on concrete problems rather than abstract theories.
一个角色的真正本质不是通过他们的行动揭示的，而是通过他们在逆境中做出的选择。
应对不自由世界的唯一方法就是变得绝对自由，以至于你的存在本身就是一种反叛。
"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."
煤炭行业的转型必须依靠科技引领，绿色发展是必由之路。