如果我们把海洋视为无限资源，很快就会发现事实恰恰相反。
If we treat the ocean as a limitless resource, we will soon find it is anything but.
The success of liberal democracy depends on the ability of its institutions to adapt to changing circumstances.
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
我不是商人，我就是生意本身。
如果你不愿意失败，你就没有准备好成功。