"Model building is the art of selecting those aspects of a process that are relevant to the question being asked. As with any art, this selection is guided by taste, elegance, and metaphor; it is a matter of induction, rather than deduction. High science depends on this art."

“The measure of performance of any given agent is the amount of money it accumulates through its actions.”

“The end point, a cas simulation with a realistic interface, is highly desirable, because it enables an ecologist, or economist, or politician to try out alternatives that could not possibly tried in real systems.”

“If there is to be a competition, there must be some basis for resolving it. It is also clear that the competition should be experienced based.”

“When a new building block is discovered, the result is usually a range of innovations.”

“Unwrapping occurs when the "solution" is explicitly built into the program from the start.”

“The multiplier effect is a major feature of networks and flows. It arises regardless of the particular nature of the resource, be it goods, money, or messages.”