My favorite things in life don’t cost any money.It’s really clear that the most precious resource we all have is time.

爱就是答案，这一点你很清楚。

We are all born with a certain package. We are who we are: where we were born, who we were born as, how we were raised. We're kind of stuck inside that person, and the purpose of civilization and growth is to be able to reach out and empathize a little bit with other people.

数学是理性的音乐。