“Everything in this book may be wrong.”

“Everything's wrong on Wikipedia.”

“She's wrong about absolutely everything, but she's wrong within normal parameters.”

“Every book teaches a lesson, even if the lesson is only that one has chosen the wrong book.”

“What went wrong? Nothing and everything.”

“But for this book we could not know right from wrong.”

“I owe everything I am and everything I will ever be to books.”

“Remember everything is right until it's wrong. You'll know when it's wrong.'
'You think so?”

“Conscientiously though we have sought to avoid them, the reader may find errors attributable in part to inaccurate sources and to faulty recollection. To those who may feel themselves wronged, I freely acknowledge that this is in part a book of opinion and that the opinion is my own.”

“There's no hope, but I may be wrong.”