“We all see only that which we are trained to see.”

“The normal is that which nobody quite is. If you listen to seemingly dull people very closely, you'll see that they're all mad in different and interesting ways, and are merely struggling to hide it.”

“Tell me, Harry, what difference would it make if it wasn't real?"Harry thought a moment, his chinless face sour. "We wouldn't have to do what we think we have to do. But even if we don't have to do what we think we have to do, it won't make any difference if we do it Which means we should just go ahead."Mavis sighed. "Just go ahead.""Just go ahead," said Hagbard. "A powerful mantra.""And if we don't go ahead," said George, "it doesn't matter either. Which means that we just do go ahead.""Another powerful mantra," said Hagbard. "Just do go ahead.”

“See you when tea is hot.”

“Stupidity is like bumping into a wall all the time. After a while you get tired of it and try to look the situation over and see if there’s a doorway somewhere. I think most people eventually do look for the doorway and stop bumping into the wall”

“Wise men have regarded the earth as a tragedy, a farce, even an illusionist's trick; but all, if they are truly wise, and not merely intellectual rapists, recognize that it is certainly some kind of stage in which we all play roles, most of us being very poorly coached and totally unrehearsed before the curtain rises. Is it too much if I ask, tentatively, that we agree to look upon it as a circus, a touring carnival wandering about the sun for a record season of four billion years and producing new monsters and miracles, hoaxes and bloody mishaps, wonders and blunders, but never quite entertaining the customers well enough to prevent them from leaving, one by one, and returning to their homes for a long and bored winter's sleep under the dust?”

“We look for the Secret - the Philosopher's Stone, the Elixir of the Wise, Supreme Enlightenment, 'God' or whatever...and all the time it is carrying us about...It is the human nervous system itself.”