The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

The best way to predict the future is to create it.

几乎找不到一个能干的工人，他不会花大量时间研究自己可以工作得多慢，同时还能让雇主相信他工作得不错。

Emancipate yourselves from mental slavery, none but ourselves can free our minds.

最大的风险就是不冒任何风险。