Extraordinary Popular Delusions and the Madness of Crowds (Illustrated Edition)

by Charles Mackay

And it should be especially remarked that the magnetisers do not lay claim to universal efficacy for their fluid; the strong and the healthy cannot be magnetised; the incredulous cannot be magnetised; those who reason upon it cannot be magnetised; those who firmly believe in it can be magnetised; the weak in body can be magnetised, and the weak in mind can be magnetised. And lest, from some cause or other, individuals of the latter classes should resist the magnetic charm, the apostles of the science declare that there are times when even they cannot be acted upon; the presence of one scorner or unbeliever may weaken the potency of the fluid and destroy its efficacy. In M. Deleuze’s instructions to a magnetiser, he expressly says, “Never magnetise before inquisitive persons!”