"The only thing we know about the future is that it will be different."

Psychology must be a science of observation, not speculation.

权力总是危险的。它吸引最坏的人，腐蚀最好的人。

If you want to fly, you have to give up the things that weigh you down.

人们如此沉迷于我的痛苦，但他们追随我是为了看我失败。

关于自由市场最重要的一个核心事实是，除非双方都受益，否则不会发生交换。

The most important object of both the workmen and the management should be the training and development of each individual in the establishment, so that he can do (at his fastest pace and with the maximum of efficiency) the highest class of work for which his natural abilities fit him.