Hegel seems to me to be always wanting to say that things which look different are really the same. Whereas my interest is in showing that things which look the same are really different. I was thinking of using as a motto for my book a quotation from King Lear: 'I’ll teach you differences'. ... 'You’d be surprised' wouldn’t be a bad motto either.

What Copernicus really achieved was not the discovery of a true theory but of a fertile new point of view.

The problems are solved, not by giving new information, but by arranging what we have always known.

We feel that even if all possible scientific questions be answered, the problems of life have still not been touched at all.

For an answer which cannot be expressed the question too cannot be expressed. The riddle does not exist. If a question can be put at all, then it can also be answered.

The feeling of an unbridgeable gulf between consciousness and brain-process:When does this feeling occur in the present case?It is when I (for example) turn my attention in a particular way on to my own consciousness, and, astonished, say to myself: THIS is supposed to be produced by a process in the brain!--as it were clutching my forehead.

Only describe, don't explain.