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

We didn't know each other well. I never had the time. Now I see that it doesn't make any difference. The ones who hurry and the ones who take their time all end up in the same place. Just don't have any regrets. No regrets.

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.

Man has gone out to explore other worlds and other civilizations without having explored his own labyrinth of dark passages and secret chambers, and without finding what lies behind doorways that he himself has sealed.

Plentitude, when too plentitudinous, was worst than destitution, for obviously what could one do, if there was nothing one could not?

The war of good and evil present in all religions does not always end, in every faith, with the victory of good, but in every one it establishes a clear order of existence. The sacred as well as the profane rests on that universal order.

I believe in no final solutions.