那些愿意为了安全而放弃自由的人，既得不到安全，也得不到自由。
Those who are willing to give up freedom for security will eventually lose both.
We are all self-righteous hypocrites.
In your life there are a few places, or maybe only the one place, where something happened, and then there are all the other places.
You can't change the direction of the wind, but you can adjust your sails.
数学是理性的音乐。
领导力就是激励他人看到自己内在的潜力。