Fairy tales are more than true: not because they tell us that dragons exist, but because they tell us that dragons can be beaten.

如果你不犯错，说明你解决的问题还不够难。那本身就是个大错误。

Leadership is about inspiring others to see possibilities where they once saw obstacles.

"We are all broken, that's how the light gets in."

The theory of probabilities is at bottom nothing but common sense reduced to calculus.

Why worry? If you’ve done the very best you can, worry won’t make it any better.