“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 ...”

“In the empty expanses of space, the wandering traders need men like myself to care for the spiritual side of a life so given over to commerce, and worldly pursuits.”

“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...”

“Violence is the last refuge of the incompetent.”

“Weak emperors mean strong viceroys. ”

“When we are tired, we are attacked by ideas we conquered long ago.”

“There is no future without a past, because what is to be cannot be imagined except as a form of repetition.”

“In the end, your past is not my past and your truth is not my truth and your solution - is not my solution.”