“Sense is never common.”

“Many older physicians had gone to their graves calling Pasteur a liar, a fool, or worse---and without examining evidence which their “common sense” told them was impossible.”

“I was there to see beautiful naked women. So was everybody else. It's a common failing.”

“Nor would anybody suspect. If was one thing all people took for granted, was conviction that if you feed honest figures into a computer, honest figures come out. Never doubted it myself till I met a computer with a sense of humor.”

“Man has no moral instinct. He is not born with moral sense. You were not born with it, I was not - and a puppy has none. We acquire moral sense, when we do, through training, experience, and hard sweat of the mind.”

“There is a misconception, geocentric and anthropomorphic, common to the large majority the the earthbound, which causes them to visualize a planetary system stereoscopically. The mind's eye sees a sun, remote from a backdrop of stars, and surrounded by spinning apples -- the planets. Step out on your balcony and look. Can you tell the planets from the stars? Venus you may pick out with ease, but could you tell it from Canopus, if you had not previously been introduced? That little red speck -- is it Mars, or is it Antares? Blast for Antares, believing it to be a planet, and you will never live to have grandchildren.”

“Foster had in common with every great religious leader of that planet two traits: he had an extremely magnetic personality, and sexually he did not fall near the human norm. On Earth great religious leaders were always either celibate or the antithesis. Foster was not celibate. (p.289)”