Theories are not rejected by cirsumstantial evidence: it takes a theory to beat a theory.

If you never miss a plane, you’re spending too much time at the airport.

I attended schools in Seattle through the University of Washington, from which I was graduated in 1931. I spent the next year at Northwestern University.

There is only one social science and we are its practitioners

And yet I would not freely exchange my science for those of my fellow laureates. They are forever confined in their professional discussions to the small numbers of their fellow scientists.

The delicate and intricate pattern of competition and cooperation in the economic behavior of the hundreds of thousands of citizens of Stockholm offers a challenge to the economist that is perhaps as complex as the challenges of the physicist and the chemist.

Even before I came to Chicago, I had gotten interested in the existence of dispersion of prices under conditions which economic theory said would yield a single price.