The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

The mind is the organ of possibility in a world of challenge.

心理学的方法必须像自然科学一样精确。

"The wise man learns more from his enemies than the fool from his friends."

Freedom is the right to tell people what they do not want to hear.

你不能对任何事情设限。梦想越多，走得越远。