唯一能让你勇敢的是你自己的恐惧。

The study of the mind must be strictly empirical.

We will continue to challenge ourselves.

Just pursue your own natural curiosity and solve your own problems. Learning is a byproduct of all of that.

我们所看到的改变了我们所知道的。我们所知道的改变了我们所看到的。