The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

衡量一家公司成功的真正标准是它对人类和地球的影响。

I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.

压力只是比赛的一部分。你必须接受它。