Sums

“But I don’t want to go among mad people," Alice remarked.
"Oh, you can’t help that," said the Cat: "we’re all mad here. I’m mad. You’re mad."
"How do you know I’m mad?" said Alice.
"You must be," said the Cat, "or you wouldn’t have come here.”
― Lewis Carroll, Alice in Wonderland

“I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone past I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain.”
― Frank Herbert, Dune

“Why, sometimes I've believed as many as six impossible things before breakfast.”
― Lewis Carroll, Alice in Wonderland

“Snape's patronus was a doe,' said Harry, 'the same as my mother's because he loved her for nearly all of his life, from when they were children.”
― J.K. Rowling, Harry Potter and the Deathly Hallows