在人类（和动物）的漫长历史中，那些学会最有效合作和即兴发挥的人才能胜出。

You have to be willing to work hard and stay focused on your goals.

Behavior is governed by the same laws in humans and animals.

The most expensive cost in free-to-play games is players' trust—once overdrawn, it can never be bought back.

保持谦逊，保持渴望，永远不要停止学习。