The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

当我们意识到怪物就在我们内心时，就不再在床下寻找它们了。

Every performance is a chance to connect with the audience in a unique way.

The only way to change behavior is through manipulation of reinforcement contingencies.

没有执行的愿景仅仅是一个梦想。