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

To be a writer does not mean to preach a truth, it means to discover a truth.

"Every experiment, no matter how small, is a step towards a greater understanding."

Leaders are more powerful role models when they learn than when they teach.

The key to success is continuous learning and improvement.

我们对明天认识的唯一限制是我们今天的怀疑。

The only limits you have are the limits you believe.

勇气不是没有恐惧，而是战胜恐惧。

Sir, where are you running? Are you doing this for world peace? Are you doing this for the homeless? Are you running for women's rights? The environment? They just couldn't believe that somebody would do all that running for no particular reason. Why are you doing this? I just felt like running. I just felt like running.