"I have found that the public will pay for what they like, and they will like what they are told to like."

"Science is another important field of human effort... Not at all, my ardent and inquiring friends, there is a scientific humbug just as large as any other."

"My inexperienced friend, take it for granted that they all tell the truth -- about each other! -- and then transact your business to the best of your ability on your own judgment."

"Need I explain to my own beloved countrymen that there is humbug in politics? Does anybody go into a political campaign without it?"

"Unless a man enters upon the vocation intended for him by nature, and best suited to his peculiar genius, he cannot succeed."