In the wild, you learn to appreciate the little things. They often make the biggest difference.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

成功的关键不仅是技术，而是如何用它解决实际问题。

反过来，始终反过来：把情况或问题颠倒过来，从反面看。