Our present culture may be largely shaped by this strange idea of isolating children's thought from adult thought. Perhaps the way our culture educates its children better explains why most of us come out as dumb as they do, than it explains how some of us come out as smart as they do.

We turn to quantities when we can't compare the qualities of things.

Minds are simply what brains do.

It would be as useless to perceive how things 'actually look' as it would be to watch the random dots on untuned television screens.

But the big feature of human-level intelligence is not what it does when it is works but what it does when it's stuck.

Anyone could learn Lisp in one day, except that if they already knew Fortran, it would take three days.

Logic doesn't apply to the real world.