“Genius is an exaggeration of dimension. So is elephantiasis. Both may be only a disease.”

“Genius is play, and man's capacity for achieving genius is infinite, and many may achieve genius only through play.”

“The book was Maniacs in the Fourth Dimension, by Kilgore Trout. It was about people whose mental diseases couldn't be treated because the causes of the diseases were all in the fourth dimension, and three-dimensional Earthling doctors couldn't see those causes at all, or even imagine them.”

“A not uncommon practice was to associate nationality with a particular disease, often sexually transmitted. For example, the English called syphilis "The French Disease"; the French called it "The Italian Disease"; the Italians called it "The Turkish Disease"; the Russians called it "The Polish Disease"; and both the Japanese and the Indians termed it "The Portuguese Disease." Only the Spanish accepted any blame, referring to it as "The Spanish Disease.”

“There have only been two geniuses in the world — Willie Mays and Willie Shakespeare.”

“You unlock this door with the key of imagination. Beyond it is another dimension: a dimension of sound, a dimension of sight, a dimension of mind. You’re moving into a land of both shadow and substance, of things and ideas. You’ve just crossed over into… the Twilight Zone.”