A complex decision is like a great river, drawing from its many tributaries the innumerable premises of which it is constituted.
Herbert SimonThink of the design process as involving first the generation of alternatives and then the testing of these alternatives against a whole array of requirements and restraints.
Herbert SimonHuman knowledge has been changing from the word go and people in certain respects behave more rationally than they did when they didn't have it. They spend less time doing rain dances and more time seeding clouds.
Herbert Simon