My name is Usain Bolt and I am the fastest man in the world.

一个理论的优雅不仅在于其数学表述，还在于其在一个统一框架下连接不同现象的能力。

Every species we cultivate teaches us something new about marine ecosystems.

Engineering is about solving problems, not just making things look pretty.

生活是我们创造的。旅行者是旅行本身。我们看到的不是我们看到的东西，而是我们自己。

The most important political challenge of our time is to create strong, effective, and accountable states.

不要批评你不理解的东西。