War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.

要理解意识，就要研究它在生存中的作用。

The body is the instrument of our hold on the world.

Every challenge is an opportunity in disguise—if you’re willing to look for it.

现有的东西本身就是一种资源