People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.

在变革中，领导者必须是稳定的锚。

Good product managers should think like users and act like CEOs.

拟像从不掩盖真相——是真相掩盖了没有真相的事实。拟像就是真相。