“Never let your sense of morals prevent you from doing what is right.”

“I shall not be alive a half decade hence, said Seldon, and yet it is of overpowering concern to me. Call it idealism. Call it an identification of myself with that mystical generalization to which ...”

“And just how did you arrive at that remarkable conclusion, Mr. Mayor?""In a rather simple way. It merely required the use of that much-neglected commodity -- common sense. You see, there is a branc...”

“Past glories are poor feeding.”

“Violence is the last refuge of the incompetent.”

“Weak emperors mean strong viceroys. ”

“We realized that among us, among all the races, we had a staggering fund of knowledge and of techniques - that working together, by putting together all this knowledge and capability, we could arri...”

“It seems to me, Golan, that the advance of civilization is nothing but an exercise in the limiting of privacy.”

“Science fiction at its best should be crazy and dangerous, not sane and safe.”