科学的进步不仅依赖于知识的积累，还需要有挑战未知的勇气。

摆脱诱惑的唯一方式就是屈服于它。

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.

被爱的最好方法是去爱。