Competition is a tough weed, not a delicate flower.

All great economists are tall. There are two exceptions: John Kenneth Galbraith and Milton Friedman.

That subject has lost its one time appeal to economists as our science has become more abstract, but my interest has even grown more intense as the questions raised by the sociology of science became more prominent.

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.

Mathematics has no symbols for confused ideas.

My main graduate training was received at the University of Chicago from which I received the Ph.D. in 1938.

The Chicago Economics Department was in intellectual ferment, although the central issues of the 1930s were very different from those in later times. I had never before encountered minds of that quality at close quarters and they influenced me strongly.