As the practical value of altering consciousness becomes recognized, procedures to effect these alterations will become increasingly ordinary and unremarkable. The whole concept of changing states of consciousness will cease to have a threatening or exotic aspect.

Skeptical scientists often point out, as Carl Sagan has, that the wonders of real science far surpass the supposed wonders of fringe science. I think it is possible to invert that idea, and to say that the wonders of real consciousness far surpass what conventional science admits can exist.

All your life people will tell you things. And most of the time, probably ninety-five percent of the time, what they'll tell you will be wrong.

It may be appropriate to quote a statement of Poincare, who said (partly in jest no doubt) that there must be something mysterious about the normal law since mathematicians think it is a law of nature whereas physicists are convinced that it is a mathematical theorem.

Heresy would like to think of itself as 'invented Truth'. But of course, all Reason and Logic would agree that no man can ever create Truth; he can only discover it. If heresy were ever at all beneficial, God would use it really to bring one right back to Truth, as countless 'inventions' have brought men to discovery.

Mathematics is one of the major modern mysteries. Perhaps it is the leading one, occupying a place in our society similar to the religious mysteries of another age. If we want to know something about what our age is all about, we should have some understanding of what mathematics is, and of how the mathematician operates and thinks.