最重要的是忠于自己和自己的艺术。

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.

生活的目的不是快乐。它是有用、可敬、富有同情心，让你活得有意义且活得好。