No arts; no letters; no society; and which is worst of all, continual fear and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.

生存的唯一方法就是不断前进。

正向强化的实施方式比其数量更重要。

The best way to predict the future is to create it.

我是个非常积极的人，总是努力看到每种情况下最好的一面。