Antithesis

“How we live is so different from how we ought to live that he who studies what ought to be done rather than what is done will learn the way to his downfall rather than to his preservation.”
― Niccolo Machiavelli, The Prince

“You can prove anything you want by coldly logical reason---if you pick the proper postulates.”
― Isaac Asimov, I, Robot

“The story so far:
In the beginning the Universe was created.
This has made a lot of people very angry and been widely regarded as a bad move.”
― Douglas Adams, The Restaurant at the End of the Universe

“Re'lar Kvothe," he said seriously. "I am trying to wake your sleeping mind to the subtle language the world is whispering. I am trying to seduce you into understanding. I am trying to teach you." He leaned forward until his face was almost touching mine. "Quit grabbing at my tits.”
― Patrick Rothfuss, The Wise Man's Fear