According to the estimate of a prominent advertising firm, above 90 per cent, of the earning capacity of the prominent nostrums is represented by their advertising. And all this advertising is based on the well-proven theory of the public's pitiable ignorance and gullibility in the vitally important matter of health.
Samuel Hopkins AdamsPrinter's ink, when it spells out a doctor's promise to cure, is one of the subtlest and most dangerous of poisons.
Samuel Hopkins AdamsWe are living at a time when creeds and ideologies vary and clash. But the gospel of human sympathy is universal and eternal.
Samuel Hopkins AdamsAny physician who advertises a positive cure for any disease, who issues nostrum testimonials, who sells his services to a secret remedy, or who diagnoses and treats by mail patients he has never seen, is a quack.
Samuel Hopkins Adams