"The scientist, who examines everything, should look at himself. Tentatively I would define him as a discovery-produci…"

"“What kind of intelligent beings would evolve on a planet that is all mountains?” “Stupid ones!” Casker said."

"“Now look,” Janice said. “If the king is so rich, why can’t he pay?” “The king never pays for anything he can get fre…"

"All very unreasonable, but Arthur Gammet was beginning to suspect that most wizards were unreasonable people."

"Ifs and buts could erode the soundest of principles."

"Few individuals of any race murder for pleasure. There are perfectly adequate reasons to kill, though, reasons which …"

"I believe that many people read science fiction for a sense of participation in the wonders to come. The quest for no…"

"Although the mystics have left us many ways and means for achieving this enlightened state of mind, few of us ever re…"

"Esotericism, which is legal, but not too much fun, prescribes to our condition. But when one tries to follow a spirit…"

"When the first man sets foot on the surface of Mars, we will participate only to the extent of watching a shadowy rep…"