The world is a stage, and each person is an actor.
一个理论的前提越简单,它关联的不同事物越多,其适用范围越广,这个理论就越令人印象深刻。
Make it simple. Make it memorable. Make it inviting to look at. Make it fun to read.
The social brain hypothesis suggests that our intelligence evolved to manage our complex social lives.
Courage is the power to overcome fear.