“I proved to you that psychiatry is an exact science!""An exact science?!""Yes, you owe me exactly one hundred and forty-three dollars!”
“Politics is not an exact science.”
“Religion is not an exact science. Sometimes, of course, neither is science.”
“Perfect specimens for an exacting science...”
“When I tell people I'm planning on majoring in psychology, I usually get one of three responses: A) Oh! Are you analyzing me right now? B) Psychology . . . hardly an exact science, is it? or C) So what's wrong with you?”
“I shall never do that,' I answered; 'you have brought detection as near an exact science as it ever will be brought in this world.”