"Das Geheimnis der Freiheit ist der Mut."

We’re still the best band in the world.

作家的职责是成为他时代的见证人。

"A good book is a friend that never lets you down."

寻找系外行星不仅仅是发现新世界，更是理解我们在宇宙中的位置。

一个女人制定计划——然后她让它成真。

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.