„True eloquence consists in saying all that is necessary, and nothing but what is necessary.“

— Heinrich Heine
„…it is not necessary to accept everything as true, one must only accept it as necessary.“
— Franz Kafka
„As though, knowing that everything is possible, suddenly nothing is necessary.“
— Diana Gabaldon
„It is the natural tendency of the ignorant to believe what is not true. In order to overcome that tendency it is not sufficient to exhibit the true; it is also necessary to expose and denounce the false.“
— H.L. Mencken
„… it is not necessary to accept everything as true, one must only accept it as necessary.' 'A melancholy conclusion,' said K. 'It turns lying into a universal principle. In the Cathedral“
— Franz Kafka
„Nothing is too wonderful to be true, if it be consistent with the laws of nature“
— Michael Faraday