我们要建立一个不用钱的社会！

A good mathematician should be both rigorous and imaginative.

Psychology is the science of mental life, not just the cataloging of its elements.

真正的大不敬是不尊重别人的神。

The beauty of mathematics lies in its ability to describe the universe in the most elegant way possible.

用户需求是产品开发的出发点，也是落脚点。

宇宙不仅比我们想象的更奇怪，而且比我们能够想象的更奇怪。