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

对这个世界有所助益是获得快乐的唯一途径。

I went to the woods because I wanted to live deliberately. I wanted to live deep and suck out all the marrow of life. To put to rout all that was not life. And not, when I had come to die, discover that I had not lived.

真正的历史学家是真理的战士。