Mental phenomena can only be understood in terms of their consequences for action.

The more you see yourself as a teacher, a mentor, and a coach, the more you will be able to help your team grow.

The only real prison is fear, and the only real freedom is freedom from fear.

有田不耕仓库就会空虚，有书不读子孙就会愚笨。

理论不应该试图解释所有事实，因为有些事实是错误的。