“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.”

“Long time ago, many pre-human civilizations had developed so advanced into a level where most people today assume them simply as works of nature.”

“By that time he had pushed the bottle so long and so freely, that its fumes had taken possession of every brain to such a degree, that they held Dame Reason rather at the staff's end, overbearing all her counsels and expostulations.”

“A long time ago he believed that he was above the men chasing him; capitulating to their secret desires and dark fears was what he did to survive, nothing more and nothing less. But now he understood that all that reasoning was nothing more than a self-assessing loop which he had used as a survival mechanism. It had run constantly but never actually went anywhere; like a rat on a flywheel, all action, no forward motion.”

“. . .how he had loved Christine more than he had understood, that sometimes one forgot what it meant, really, to love, the way the tide of a marriage advances and retreats, . .”

“A very long time ago, some 2.5 million years B.C., the mother of human species as we know it, our ultimate ancestor, appeared in East Africa... She was four feet tall and probably black..”