P. T. Barnum,
The Humbugs of the World — Chapter XI
(1866)
“ Should a person write a test-question, the medium could not answer it correctly even if he did see it. In his “communications” he uses many terms of endearment, and if possible flatters the recipient out of his common-sense, and into the belief that “after all there may be something in it!”Should the inquirer “smell a rat,” and take measures to prevent the medium from learning, in the way I have stated, what question is written, he (the medium) gets nervous and discontinues the “sitting,” alleging that conditions are unfavorable for spirit-communication. ”
