Who said “Reality is that which, when you stop believing in it, doesn't go away.”?

“Reality is something you rise above.”

“A theory must be tempered with reality.”

“Reality is nothing but a collective hunch.”

“Reality in our century is not something to be faced.”

“It is astonishing what force, purity, and wisdom it requires for a human being to keep clear of falsehoods.”

“The basic tool for the manipulation of reality is the manipulation of words. If you can control the meaning of words, you can control the people who must use the words.”

“Science fiction writers, I am sorry to say, really do not know anything. We can't talk about science, because our knowledge of it is limited and unofficial, and usually our fiction is dreadful.”

“The trouble with being educated is that it takes a long time; it uses up the better part of your life and when you are finished what you know is that you would have benefited more by going into banking.”

“Reality is whatever refuses to go away when I stop believing in it.”

“Drug misuse is not a disease, it is a decision, like the decision to step out in front of a moving car. You would call that not a disease but an error of judgment.”