Our ability to adapt and therefore to accept everything is one of our greatest dangers. Creatures that are completely flexible, changeable, can have no fixed morality.

Practically all SF is trash.

Nothing, my dear and clever colleague, is not your run-of-the-mill nothing, the result of idleness and inactivity, but dynamic, aggressive Nothingness, that is to say, perfect, unique, ubiquitous, in other words Nonexistence, ultimate and supreme.

This is another lie. We are only seeking Man. We have no need of other worlds. A single world, our own, suffices us; but we can't accept it for what it is. We are searching for an ideal image of our own world: we go in quest of a planet, a civilization superior to our own but developed on the basis of a prototype of our primeval past.

...it is easy not to believe in monsters, considerably more difficult to escape their dread and loathsome clutches.

I had no hope. Yet expectation lived on in me, the last thing she had left behind. What further consummations, mockeries, torments did I still anticipate? I had no idea as I abided in the unshaken belief that the time of cruel wonders was not yet over.

For some time there was a widely held notion (zealously fostered by the daily press) to the effect that the 'thinking ocean' of Solaris was a gigantic brain, prodigiously well-developed and several million years in advance of our own civilization, a sort of 'cosmic yogi', a sage, a symbol of omniscience, which had long ago understood the vanity of all action and for this reason had retreated into an unbreakable silence.