We must accept finite disappointment， but never lose infinite hope.
我们必须接受有限的失望，但永远不要失去无限的希望。
我是一个梦想家。我必须梦想并伸手摘星，如果我错过了一颗星星，那么我会抓住一把云彩。
The history of the world is the history of the few.
I'm gonna make him an offer he can't refuse.
Psychology is concerned with the what and how of mental life, not the why.
自动控制的根本问题是在存在干扰的情况下维持期望状态。