自由不止一种……自由去做和自由免于。在无政府状态的日子里，是自由去做。现在你被给予了自由免于。不要低估它。

好奇心是驱使我们理解宇宙的动力。

The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.