Don't cry to quit, cry to keep going.

"You don’t have to have it all figured out to move forward."

当下是唯一的现实，唯一的确定性。

绝世美女的丈夫实属犯罪阶级。

Communicate everything you possibly can to your partners. The more they know, the more they'll understand. The more they understand, the more they'll care. Once they care, there's no stopping them.

量子世界和经典世界之间的界限并不像我们曾经认为的那样清晰。

Free education is abundant, all over the Internet. It's the desire to learn that's scarce.

Innovation is the only way to survive in this competitive world.

最简单的材料可以包含最复杂的意义。

南开校训，意为培养公正与能力兼备的人才，追求不断创新。