In the computer field, the moment of truth is a running program; all else is prophecy.
When computers came along, I felt for the first time that I had the proper tools for the kind of theoretical work I wanted to do. So I moved over to that, and that got me into psychology.
One of the first rules of science is if somebody delivers a secret weapon to you, you better use it.
The proper study of mankind is the science of design.
By a combination of formal training and self study, the latter continuing systematically well into the 1940s, I was able to gain a broad base of knowledge in economics and political science, together with reasonable skills in advanced mathematics, symbolic logic, and mathematical statistics.
The classical theory of omniscient rationality is strikingly simple and beautiful.