dimension, is really only life on another scale of vibration. If we
could see the whole scale, we would recognize it as a vast, coherent,
perfectly natural and rational whole, in which we human beings fill
but a very insignificant part. That, monsieur, is absolutely true!

"I have investigated, I have ventured along the coasts of the unknown
vibratory sea, and even sailed out a little way on the waters of
that unknown, mysterious ocean. Yet even I know nothing. What you are
beholding now is simply a slightly new form of vibratory effect. The
force that is holding you paralyzed on that chair is still another. A
third, sent down the air-squadron. And--there are many more.

"I am not really vanishing. That is but an illusion of your senses,
unable to penetrate the screen surrounding me. I am still here, as
materially as ever. Illusion, _mon cher monsieur_, yet to you very
real!"

The voice seemed moving about. The Frenchman now perceived something
like a kind of moving blur in the cabin. It appeared a sort of hole of
darkness, in the light; and yet the light shone through it, too.


Every human eye has a blind spot in the retina. When things pass over
this blind spot, they absolutely vanish; the other eye supplies the
missing object. To the French ace it seemed that his eyes were all
blind spots, so far as the Master was concerned. The effect of this
vacancy moving about, shifting a chair, stirring a book, speaking to
him like a spirit disembodied, its footfalls audible but its own self
invisible, chilled the captive's blood. The Master said: