夜晚是一座伟大的剧院，但星星是它的演员。

Every setback is a setup for a comeback.

行为主义者放在自己面前的规则或衡量标准总是：我能否用"刺激和反应"来描述我所看到的这一行为？

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

True success is measured by the positive impact you have on others.