The brain happens to be a meat machine.

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

You don't understand anything until you learn it more than one way.

I bet the human brain is a kludge

But just as astronomy succeeded astrology, following Kepler's discovery of planetary regularities, the discoveries of these many principles in empirical explorations of intellectual processes in machines should lead to a science, eventually.

Listening to music engages the previously acquired personal knowledge of the listener.

It makes no sense to seek a single best way to represent knowledge-because each particular form of expression also brings its particular limitations. For example, logic-based systems are very precise, but they make it hard to do reasoning with analogies. Similarly, statistical systems are useful for making predictions, but do not serve well to represent the reasons why those predictions are sometimes correct.