每一条边界都是虚构的，先在脑海中划定，然后才在大地上留下伤痕。

We don't just sell beverages—we sell moments of refreshment in people's lives.

In times of change, the ability to learn is far more important than the ability to know.

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’m not here to be second, I’m here to be first.

学习本质上是刺激-反应连接的问题。