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

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.

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.

How do you expect to communicate with the ocean, when you can’t even understand one another?

The whole plan hinged upon the natural curiosity of potatoes.

Skepticism is like a microscope whose magnification is constantly increased: the sharp image that one begins with finally dissolves, because it is not possible to see ultimate things: their existence is only to be inferred.

There are friends with whom we share neither interests nor any particular experiences, friends with whom we never correspond, whom we seldom meet and then only by chance, but whose existence nonetheless has for us a special if uncanny meaning. For me the Eiffel Tower is just such a friend, and not merely because it happens to be the symbol of a city, for Paris leaves me neither hot nor cold. I first became aware of this attachment of mine when reading in the paper about plans for its demolition, the mere thought of which filled me with alarm.