学习数学的唯一方法就是做数学。

Coal miners are the unsung heroes of America's industrial strength.

I'm just tryna live life for the moment.

The only thing worse than a rock star is a rock star with a cause.

我们不是从祖先那里继承了海洋，而是从子孙那里借来的。

We can't just farm fish; we must farm ecosystems.

It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.

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。