The only way to discover the limits of the possible is to go beyond them into the impossible.

Science is a journey, not a destination.

So we beat on, boats against the current, borne back ceaselessly into the past.

你付出的能量就是你得到的能量。

我一直认为发明家有权享有他的劳动成果。

国际体系本质上是竞争性的，国家不断试图互相超越。