"We are all, in some way, prisoners of our time."

The mind is a system of coordinated activities.

自由是绝对必要的。

I think it's very important to have a feedback loop， where you're constantly thinking about what you've done and how you could be doing it better.I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.

The past is never dead. It's not even past.