a universal polarity and rapport, which are however stronger between certain organisms; and every being stands in a varying relation of positive and negative to every other. With regard to these theories, however, where there is so much obscurity even in the language, I do not wish to insist; more especially as I am fully aware that this subject may be discussed in a manner much more congruous with the dynamical spirit of the philosophy of this century: but, in the meanwhile, as either of the causes alluded to is capable of producing the effects, we adopt the hypothesis of an all-pervading ether as the one most easily conceived. Admitting this, then, to be the case, we begin to have some notion of the _modus operandi_ by which a spirit may manifest itself to us, whether to our internal universal sense, or even to our sensuous organs; and we also find one stumbling-block removed out of our way, namely, that it shall be visible or even audible to one person and not to another, or at one time and not at another; for by means of this ether, or force, we are in communication with all spirit, as well as with all matter; and since it is the vehicle of will, a strong exertion of will may reinforce its influence to a degree far beyond our ordinary conceptions: but man is not acquainted with his own power, and has, consequently, no faith in his own will: nor is it probably the design of Providence, in ordinary cases, that he should. He can not therefore exert it; if he could, he “might remove mountains.” Even as it is, we know something of the power of will in its effect on other organisms, as exhibited by certain strong-willed individuals; also in popular movements; and more manifestly in the influence and far-working of the magnetizer on his patient. The power of will, like the seeing of the spirit, is latent in our nature, to be developed in God’s own time; but meanwhile, slight examples are found, shooting up here and there, to keep alive in man the consciousness that he is a spirit, and give evidence of his Divine origin.