With respect to duels, indeed, I have my own ideas. Few things in this so surprising world strike me with more surprise. Two little visual spectra of men, hovering with insecure enough cohesion in the midst of the unfathomable, and to dissolve therein, at any rate, very soon, make pause at the distance of twelve paces asunder; whirl around, and simultaneously by the cunningest mechanism, explode one another into dissolution; and, offhand, become air, and non-extant--the little spitfires!