We don't want to conquer the cosmos, we simply want to extend the boundaries of Earth to the frontiers of the cosmos.

Good books tell the truth, even when they're about things that never have been and never will be. They're truthful in a different way

Art gives man a reminder that he is not just a consumer but a creator as well. It awakens in him the urge to struggle and perform great deeds; it fills him with the craving to pass on the Promethean fire to generations to come.

Practically all SF is trash.

Giese was an unemotional man, but then in the study of Solaris emotion is a hindrance to the explorer. Imagination and premature theorizing are positive disadvantages in approaching a planet where-as has become clear-anything is possible... The fact is that in spite of his cautious nature the scrupulous Giese more than once jumped to premature conclusions. Even when on their guard, human beings inevitably theorize.

Either something is authentic or it is unauthentic, it is either false or true, make-believe or spontaneous life; yet here we are faced with a prevaricated truth and an authentic fake, hence a thing that is at once the truth and a lie.

You believe by doubting and you doubt by believing; yet this state too is not the final one.