When you have a good research design, the data can speak for itself.

The most dangerous thing is not failure, but complacency.

过去是一个异国，那里的人做事方式不同。

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。

The question is not whether the thing exists， but whether it has any essence which is capable of existence without us.

人们不应该研究半导体，那是个肮脏的烂摊子；谁知道半导体是否存在。