The concept of progress must be grounded in the idea of catastrophe.

The ideal of behaviorism is to eliminate coercion: to apply controls by changing the environment in such a way as to reinforce the kind of behavior that benefits everyone.

Life is the teacher, and I'm the student.

健康的社会生活是当每个人类灵魂的镜子中都能反映出整个社区，并且当社区中每个人的美德都得以体现时。

伴随着巨大的力量而来的是需要极大的谨慎。

我尊重所有对手，因为他们让我变得更好。