“If, nevertheless, textbooks of pharmacology legitimately contain a chapter on drug abuse and drug addiction, then, by the same token, textbooks of gynecology and urology should contain a chapter on prostitution; textbooks of physiology, a chapter on perversion; textbooks of genetics, a chapter on the racial inferiority of Jews and Negroes.”

“The end of the chapter is the beginning of the new chapter.”

“But we may safely predict that Marx himself will become more and more what he already is: a chapter from a textbook of the history of ideas, a figure that no longer evokes any emotions, simply the author of one the 'great books' of the nineteenth century - one of those books that very few bother to read but whose titles are known to the educated public.”

“The first chapter sells the book; the last chapter sells the next book.”

“The chapter of knowledge is a very short, but the chapter of accidents is a very long one.”

“Each others' lives are our best textbooks.”

“The Past is the textbook of tyrants; the Future is the Bible of the Free.”

“Our textbook is the Bible. Besides a title, many books also have a sub-title. We could write as a subtitle on the front of the Bible: "A Textbook for Becoming Completely Happy."”

“I like a chapter to have design of tone, as well as of form. A chapter should be a perfect cell in the whole book and should be almost able to stand alone. If this is done then the breaks we call chapters are not arbitrary but rather articulations which allow the free movement of the story.”

“International law exists only in textbooks on international law.”