工具变量的美妙之处在于它们让我们以新的视角看世界。

The duty of a true patriot is to protect his country from its government.

I paint the way I do because I want to come to terms with the world.

法律实证主义强调法律与道德的分离。

Many will call me an adventurer, and that I am... only one of a different sort: one who risks his skin to prove his truths.

创新不仅仅是创造新产品，更是重新构想我们解决问题的方式。