Engineering, medicine, business, architecture and painting are concerned not with the necessary but with the contingent - not with how things are but with how they might be - in short, with design.

Engineers are not the only professional designers. Everyone designs who devises courses of action aimed at changing existing situations into preferred ones. The intellectual activity that produces material artefacts is no different fundamentally from the one that prescribes remedies for a sick patient or the one that devises a new sales plan for a company or a social welfare policy for a state.

Human 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.

I don't care how big and fast computers are, they're not as big and fast as the world.

Most of what we do to get people ready to act in situations of encounter consists of drilling these lists into them sufficiently deeply so that they will be evoked quickly at the time of the decision.

Everyone designs who devises courses of action aimed at changing existing situations into preferred ones.

All behavior involves conscious or unconscious selection of particular actions out of all those which are physically possible to the actor and to those persons over whom he exercises influence and authority.