我们内心都有意想不到的潜力，当生活考验我们时才会显现。

The probability of a response is determined by its reinforcement history.

The only thing that separates us from the animals is our ability to accessorize.

如果你害怕失败，那意味着你已经输了。

两个物体的相互作用力总是大小相等，方向相反，同时出现或消失且作用于同一直线上。