如果你臣服于空气，你就能驾驭它。

The only way to keep improving is to keep pushing yourself.

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

The wilderness is the greatest teacher. It doesn’t give you answers, but it shows you how to find them.

不了解儿子就看和儿子交往的朋友，就清楚了；不了解君主就看看君主身边的人，就明白了。