Addison were ill-advised in making this--no doubt absurd--experiment.
Supposing it to be absurd, the _raison d'être_ of the sittings is gone at
once. Supposing it not to be--"

"Yes. What, then?"

"Then the danger is great. Imagine yourself with Addison's soul or
nature, him with yours. To what might not you be led? How do you know
that your nature in him would exert any control over his nature in you?"

"Why should it not?"

"There comes in the power of the body, which is very great. I believe,
as you know, absolutely in the existence of the soul, and in its immortal
destiny; but that does not blind me to the extraordinary influence, the
extraordinary kingship, which a mere body, a mere husk and shell, as some
good people call it--I don't feel with them--can obtain not only over
another body, but, strangely, over the soul which is in that body. Your
influence over Addison has been, and is, immense. Do you imagine that it
is simply your nature which governs him?"

"I suppose so."

"Your mere appearance may have an immense deal to do with the matter.
You have the look, the expression, of one who has not sinned. It is
partly that which keeps Addison from giving the reins to his impulses.
I consider that if it were possible for your nature to change secretly
and for your face to remain unchanged, if you sinned perpetually and
retained your exact appearance, and if Addison did not know you sinned,
you could still be his guardian, while, really, yourself far worse in