The difference between a good business and a bad business is that good businesses throw up one easy decision after another. The bad businesses throw up painful decisions time after time.

The defining decade: Why your twenties matter—and how to make the most of them now.《The Defining Decade》

Science should be accessible to everyone, regardless of background.

The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.

Safety isn't our priority - it's our foundation.

主从内而外工作，世界从外而内工作。

To live is the rarest thing in the world. Most people exist, that is all.