Every tree planted today is a legacy for generations we will never meet.

我不知道第三次世界大战会用哪些武器，但第四次世界大战中人们肯定用的是木棍和石块。

The world is always right. In its judgments, it is always right. For it is not the world that judges, but we.

心是狂野的东西，它不遵守规则。

你不必具备量子力学所要求的能力。你只需要知道一些简单的事情，并真正了解它们。