The greatest education in the world is watching the masters at work.

"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 concept of law involves the union of primary and secondary rules.

心理过程是我们构建生存的工具。

The only valid data for psychology are observable behaviors.

天不能驱使人类，人也不能驱使天。