真正的领导力是创造更多领导者，而不仅仅是追随者。
True leadership is about creating more leaders, not just followers.
I don't think about age. People who tell me I'm too old to do something, I just ignore them.
Actions are right in proportion as they tend to promote happiness； wrong as they tend to produce the reverse of happiness.
在我们推理关于事实的过程中，有各种可能的确证程度，从最高的确定性到最低级别的道德证据。
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.
年轻时，你以为世界是一个可以随心所欲生活的地方。但随着年龄增长，你意识到世界是一个你必须按照必须的方式生活的地方。