人的状况...是一种每个人对每个人的战争状况。

The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.

数学中最深刻的思想往往源于最简单的观察。

Every time you lose, it hurts. But you have to get back up and keep going.

做出伟大工作的唯一途径就是热爱你所做的事。