Internal mental events are irrelevant to the scientific study of behavior.

Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.

没有人能以纯净的眼光看待世界，他所看到的一切都被特定的习俗、制度和思维方式所过滤。

没有个人的推动，社会就会停滞。没有社会的同情，个人的推动就会消失。

That’s been one of my mantras—focus and simplicity.Simple can be harder than complex，you have to work hard to get your thinking clean to make it simple.