我们都来自同一块基因布料，而这块布料是在非洲编织的。

The greatest thing you'll ever learn is just to love and be loved in return.

数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。

We are all just echoes of something that once was.

对某人来说，世界总是在终结。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

The key is to keep improving, to keep working hard.

中心地的等级越高，其服务的区域越大，此类中心地的数量越少。