城市不是机器的集合，而是生活的容器。

You can’t change the people around you, but you can change the people you choose to be around.

The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

我一直相信，如果你投入工作，结果就会到来。

唯一能改变世界的是爱。

You don’t build a business, you build people, and then people build the business.