在探索现实的基本性质的追求中，我们必须准备好质疑我们认为我们所知道的一切。
生物圈是一种具有宇宙特征的行星现象。
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
Just because I'm losing, doesn't mean I'm lost.
"The key is not to get too high when things are going well and not too low when things are going bad."
数学的力量在于它的抽象性，使我们能够看到不立即显现的模式和联系。