The most important thing is to keep thinking, keep questioning.
悔恨自己的错误，而且力求不再重蹈覆辙，这才是真正的悔悟。
你看得越多，看到的就越多。
语言是我们思想的镜子。
The most important part of teaching is to teach what it is to know.
膨胀的概念表明，宇宙在大爆炸后不久经历了一段极其快速的扩张期。