Natural selection has shaped our minds as well as our bodies.

The only thing that scares me more than space aliens is the idea that there aren't any space aliens. We can't be the best that creation has to offer. I pray we're not all there is. If so, we're in big trouble.

There is no such thing as society: there are individual men and women, and there are families.

现在，这个世界上剩下孤零零的我一个人了。除了我和我的影子，再也没有兄弟、邻里、伙伴。

The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.

Art is the only way to run away without leaving home.

All I can do is be myself, whoever that is.

It always seems impossible until it's done.