宁可选择自由的贫困，也不愿选择奴隶般的富裕。

The environment shapes behavior through the mechanism of reinforcement.

道的根本来源于天，如果天不改变，道也不会改变。

Perhaps one day you muster the courage, to make a clean breast of everything in the heart only ended up to let others see the joke, because they did not understand you to say what, also don't know why do you think things are so important, say, almost cried out. I think the worst thing in the world, than with full of heart and secret, but no one can tell, but no one can understand!