First principle: one must need strength, otherwise one will never have it. Twilight of the Idols

“Look again, and see what will naturally follow if the prisoners are released and disabused of their error. At first, when any of them is liberated and compelled suddenly to stand up and turn his neck round and walk and look towards the light, he will suffer sharp pains; the glare will distress him, and he will be unable to see the realities of which in his former state he had seen the shadows; and then conceive some one saying to him, that what he saw before was an illusion, but that now, when he is approaching nearer to being and his eye is turned towards more real existence, he has a clearer vision,—what will be his reply?” Republic

“The older one gets the more convinced one becomes that his Majesty King Chance does three-quarters of the business of this miserable universe.” The Prince

Only old Benjamin professed to remember every detail of his long life and to know that things never had been, nor ever could be much better or much worse--hunger, hardship, and disappointment being, so he said, the unalterable law of life. Animal Farm