心灵的工作永远不会完成,因为适应永远不会结束。
The magic number 150 suggests that the size of our social networks is limited by the size of our brains.
一个民族的记忆是其最具争议的领土。
When [competitors are] in the shower in the morning, they're thinking about how they're going to get ahead of one of their top competitors. Here in the shower, we're thinking about how we are going to invent something on behalf of a customer.