数学家的模式，就像画家或诗人的模式一样，必须是美丽的；思想，就像颜色或文字一样，必须以和谐的方式结合在一起。

One way of looking at speech is to say that it is a constant stratagem to cover nakedness.

Every seed planted is a step toward a more sustainable future.

天下很多所谓可以做的事情，未必都是可以做的啊！ 

"The only way to discover the limits of the possible is to go beyond them into the impossible."

世界充满了神奇的事物，耐心地等待着我们的感官变得更加敏锐。