计算复杂性理论的发展向我们展示了并非所有问题都是平等的。
The real challenge is not in solving the equations, but in understanding what the solutions mean.
We are never as happy or as unhappy as we imagine.
世界充满了符号,但我们常常太盲目而看不到它们。
煤炭的未来取决于我们能否使其更清洁、更高效。
I think that's one of the most important things in life: to feel good about yourself.
我们都有一种被人接受的需要,但是你必须坚持自己的信仰是独特的,是你自己的,哪怕别人认为它们很怪,或者很讨厌,哪怕一群人都说“那太差了”。