Truth is the daughter of time.

海洋不仅是一种资源，更是我们必须为子孙后代承担的责任。

我看到一切。这就是我的问题。

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

We are all obsessed with the idea of the frontier, but it's a frontier that keeps receding.

The joy of mathematics is in the struggle to understand.