„…it is not necessary to accept everything as true, one must only accept it as necessary.“

— Franz Kafka
„… 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
„It seems to me very important to continue to distinguish between two evils. It may be necessary temporarily to accept a lesser evil, but one must never label a necessary evil as good.“
— Margaret Mead
„Everything must be sacrificed, if necessary, for that one sentiment: universality.“
— Swami Vivekananda
„It's not as simple as that. Knowledge is necessary, too. An intuitive child couldn't accomplish anything without some knowledge. There will come a point in everyone's life, however, where only intuition can make the leap ahead, without ever knowing precisely how. One can never know why, but one must accept intuition as a fact.“
— Albert Einstein
„One must also accept that one has ‘uncreative’ moments. The more honestly one can accept that, the quicker these moments will pass.“
— Etty Hillesum
„True eloquence consists in saying all that is necessary, and nothing but what is necessary.“
— Heinrich Heine
„And at last we've got to the end of this ideal racecourse! Now that you accept A and B and C and D, of course you accept Z.""Do I?" said the Tortoise innocently. "Let's make that quite clear. I accept A and B and C and D. Suppose I still refused to accept Z?""Then Logic would take you by the throat, and force you to do it!" Achilles triumphantly replied. "Logic would tell you, 'You can't help yourself. Now that you've accepted A and B and C and D, you must accept Z!' So you've no choice, you see.""Whatever Logic is good enough to tell me is worth writing down," said the Tortoise. "So enter it in your notebook, please. We will call it(E) If A and B and C and D are true, Z must be true.Until I've granted that, of course I needn't grant Z. So it's quite a necessary step, you see?“
— Lewis Carroll