Conscience and cowardice are really the same things.

I have great faith in fools; self-confidence my friends call it.

The human brain is wired to seek patterns and make connections, even when they don't exist.

I think it matters whether someone has a good heart.

凡是天下的祸患,掠夺与怨恨,之所以能出现,原因就在于人们不相爱。因此,仁义的人认为这是不对的。

工具变量的美妙之处在于它们让我们以新的视角看世界。