写作是一种自由的行为，但也是一种责任。

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

如果你把每年做的实验数量翻倍，你的创造力也会翻倍。

一个句子的意义不仅仅在于词语本身，还在于它所执行的言行行为。

Success only comes through preparation.