每一个优秀的数学家至少是半个哲学家，而每一个优秀的哲学家至少是半个数学家。

渔业管理必须适应不断变化的海洋条件。

Free education is abundant, all over the Internet. It's the desire to learn that's scarce.

The ocean is not just a resource; it's a responsibility.

我没有任何信息。我只是画画。