So man. He breathes the air into him, he swallows food and water. But more than this. He takes into him the life of his fellow men, with whom he comes into contact, and he gives back life to them. This contact draws nearer and nearer, as the intimacy increases. When it is a whole contact, we call it love. Men live by food, but die if they eat too much. Men live by love, but die, or cause death, if they love too much.
There are two loves: sacred and profane, spiritual and sensual.
In sensual love, it is the two blood-systems, the man's and the woman's, which sweep up into pure contact, and almost fuse. Almost mingle. Never quite. There is always the finest imaginable wall between the two blood-waves, through which pass unknown vibrations, forces, but through which the blood itself must never break, or it means bleeding.
In spiritual love, the contact is purely nervous. The nerves in the lovers are set vibrating in unison like two instruments. The pitch can rise higher and higher. But carry this too far, and the nerves begin to break, to bleed, as it were, and a form of death sets in.
The trouble about man is that he insists on being master of his own fate, and he insists on oneness. For instance, having discovered the ecstasy of spiritual love, he insists that he shall have this all the time, and nothing but this, for this is life. It is what he calls "heightening" life. He wants his nerves to be set vibrating in the intense and exhilarating unison with the nerves of another being, and by this means he acquires an ecstasy of vision, he finds himself in glowing unison with all the universe.
But as a matter of fact this glowing unison is only a temporary thing, because the first law of life is that each organism is isolate in itself, it must return to its own isolation.
Yet man has tried the glow of unison, called love, and he likes it. It gives him his highest gratification. He wants it. He wants it all the time. He wants it and he will have it. He doesn't want to return to his own isolation. Or if he must, it is only as a prowling beast returns to its lair to rest and set out again.
This brings us to Edgar Allan Poe. The clue to him lies in the motto he chose for Ligeia, a quotation from the mystic Joseph Glanville: "And the will therein lieth, which dieth not. Who knoweth the mysteries of the will, with its vigour? For God is but a great Will pervading all things by nature of its intentness. Man doth not yield himself to the angels, nor unto death utterly, save only through the weakness of his feeble will."
It is a profound saying: and a deadly one.
Because if God is a great will, then the universe is but an instrument.