The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.

人们不买你做什么，他们买你为什么做。

True innovation comes from the ultimate pursuit of details.

你希望成为池塘里的鹅卵石，激起改变的涟漪。

The best time to plant a tree was twenty years ago. The second best time is now.

Science is the torch that lights our way forward.

Writing is an act of courage—you have to be willing to fail.

Change your conception of yourself and you will change your world.