In the computer field, the moment of truth is a running program; all else is prophecy.
Herbert SimonLearning results from what the student does and thinks, and only from what the student does and thinks. The teacher can advance learning only by influencing the student to learn.
Herbert SimonEngineers 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.
Herbert Simon