I define nothing. Not beauty, not patriotism. I take each as it comes, and I leave it as it goes.

The process of discovery in mathematics is often more important than the result itself.

生命是一朵千瓣莲花，我拒绝了绽放的同时，我也拒绝了枯萎。

我们不能把问题留给下一代解决，我们现在就必须尽自己的一份力。

Focus on progress, not perfection.

"The writer's duty is to tell the truth, even when it is uncomfortable."

The development of efficient algorithms is as much an art as it is a science.