The social sciences, I thought, needed the same kind of rigor and the same mathematical underpinnings that had made the 'hard' sciences so brilliantly successful.

Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.

The situation has provided a cue; this cue has given the expert access to information stored in memory, and the information provides the answer. Intuition is nothing more and nothing less than recognition.

The proper study of mankind is the science of design.

A complex decision is like a great river, drawing from its many tributaries the innumerable premises of which it is constituted.

Human beings know a lot of things, some of which are true, and apply them. When we like the results, we call it wisdom.

Creativity is no less challenging or exciting when the mystery is stripped from the creative process. The most beautiful flowers grow under careful cultivation from common soil.