科学中的每一个发现都是更接近理解我们在宇宙中的位置的一步。
"Every discovery in science is a step closer to understanding our place in the cosmos."
I don’t have to prove anything to anyone. I only have to follow my heart and concentrate on what I want to say to the world. I run my world.
The major credit I think Jim and I deserve... is for selecting the right problem and sticking to it.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.