of water, a single spark would bring them together with a fury that
would kindle the funeral pyre of the human race, and be fatal to the
planet and all the works that are thereon.

"Your argument," he then instantly added, "is by no means a good one.
What do we know of the Supreme Architect of the Universe, or of his
designs? He builds up worlds, and he pulls them down; he kindles suns
and he extinguishes them. He inflames the comet, in one portion of its
orbit, with a heat that no human imagination can conceive of; and in
another, subjects the same blazing orb to a cold intenser than that
which invests forever the antarctic pole. All that we know of Him we
gather through His works. I have shown you that He burns other worlds,
why not this? The habitable parts of our globe are surrounded by water,
and water you know is fire in possibility."

"But all this," I rejoined, "is pure, baseless, profitless speculation."

"Not so fast," he answered. And then rising, he seized the small vial,
and handing it to me, requested me to open it.

I confess I did so with some trepidation.

"Now smell it."

I did so.

"What odor do you perceive?"

"Potassium," I replied.