Who said “You might as well fall flat on your face as lean over too far backward.”?

“There is a holy, mistaken zeal in politics, as well as in religion. By persuading others, we convince ourselves.”

“The real persuaders are our appetites, our fears and above all our vanity. The skillful propagandist stirs and coaches these internal persuaders.”

“Remember that what pulls the strings is the force hidden within; there lies the power to persuade, there the life -- there, if one must speak out, the real man.”

“The tongue can paint what the eye can't see.”

“The persuasion of a friend is a strong thing.”

“Discussion in America means dissent.”

“He who hesitates is sometimes saved.”

“I love the idea of there being two sexes, don't you?”

“You can fool too many of the people too much of the time.”

“A drawing is always dragged down to the level of its caption.”

“Well, if I called the wrong number, why did you answer the phone?”