P.T. Barnum — "Every crowd has a silver lining."

"The public is more easily humbugged than ever before, because it is so anxious to be humbugged."

"I have often been asked what was the secret of my success, and I have invariably replied, 'I always had the sense to know I knew nothing.'"

"Not at all, my ardent and inquiring friends, there is a scientific humbug just as large as any other. We have all heard of the Moon Hoax. Do none of you remember the Hydrarchos Sillimannii, that awful…"

"The public likes to be astonished, and it likes to be amused."

"No man ever went broke overestimating the ignorance of the American public."