Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

We are what we pretend to be, so we must be careful about what we pretend to be.

自由是人类参与自身发展的能力，是我们塑造自我的能力。

没有人想死。即使那些想上天堂的人，也想活着上天堂。