The magic number 150 suggests that the size of our social networks is limited by the size of our brains.
神奇数字150表明,我们社交网络的规模受限于大脑的容量。
I've never been a person that has been like, 'I want to be a role model.' But then you realize you are, and you have to be careful with what you say and do.
Problems frequently get easier if you turn them around in reverse. In other words, if you want to help India, the question you should ask is not “how can I help India,” it’s “what is doing the worst damage in India? What will automatically do the worst damage and how do I avoid it?”
路是通过行走创造的。