Behind every technological breakthrough is the accumulation of countless failures.
每一次技术突破的背后,都是无数次失败的积累。
一个民族的历史,本质上是其统治阶级的历史。
The only way to change behavior is through manipulation of reinforcement contingencies.
物理学的美丽在于它能够用几个简单的方程来描述宇宙。
I don't want to be a boss. I want to be a brother.