“There will be epidemics of greed, hate and ignorance. We must fight them in life as we fought syphilis in the laboratory. We must fight, fight. We must never, never stop fighting.”

Edward G. Robinson - Dr. Paul Ehrlich

“I'll tell you my approach to medicine! It is a game in which man pits his brains against the forces of destruction and disease.”

Claude Rains - Dr. Alexander Tower

“- Master Tang: I know you seek The Chosen One. And I know what you did to his family.
[begins coughing]
- Master Tang: And now, I'm going to beat you up.
- Master Pain (Betty): Do you need a glass of water, or something? Geez, at least cover your mouth. We're all going to catch it.”
Hui Lou Chen - Master Tang
Fei Lung - Master Pain (Betty)

“- Egbert Sousé: Hello, Doc. How are ya? How's business?
- Dr. Stall: Fair, fair. I don't suppose we'll ever get another whooping cough epidemic again.”
W.C. Fields - Egbert Sousé
Harlan Briggs - Dr. Stall

“- Flo Addams: Maybe he won't wanna leave. He told me on a postcard he's in a grand hideout and having a swell time with his mental disorder.
- Little John Sarto: If he ever told you that on a postcard, maybe they ought to keep him in there.”

Ann Sothern - Flo Addams
Edward G. Robinson - Little John Sarto