数学家的工作永无止境;总有更多的问题需要解决。
膨胀是使宇宙变得平坦、均匀和各向同性的机制。
生活太重要了,不能太当回事。
"We are all in the gutter, but some of us are looking at the stars."
I'm not afraid of the future; I'm afraid of the past.