One of the greatest superstitions of our time is the belief that it has none. - Celia Green

What appear to be the most valuable aspects of the theoretical physics we have are the mathematical descriptions which enable us to predict events. These equations are, we would argue, the only realities we can be certain of in physics; any other ways we have of thinking about the situation are visual aids or mnemonics which make it easier for beings with our sort of macroscopic experience to use and remember the equations.

In the country of the blind the one-eyed man is lucky to escape with his life.

Progress towards sanity is achieved by abandoning first the desire for omnipotence and then that for exceptional achievement.