Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

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

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.

Maybe we ought to have a world in which things are divided between people kind of fairly.

Enlightenments, like accidents, happen only to prepared minds.

A wealth of information creates a poverty of attention.

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.