A Demon (n.) works in the intervals between the gods' fields, leaping over barriers and confounding the boundaries between properties.
A Demon (n.) cannot procreate, so he works indirectly: succubus to a man, then incubus to a woman, passing on the man's semen.
Demon (n.) is a fine name for the necessary go-between in science and philosophy alike: Maxwell's demon, Heisenberg's observer, the friend, the idiot, the overman.
A Demon (n.) is the spirit of the negative: sometimes it gets man to carry it, persuading him the weight is positivity itself; sometimes it jumps over him, taking all his force and will.
A Demon (n.) and not a god meets us: even hidden, the gods are only forms of recognition; the demons are sign-bearers, powers of the leap, the interval and the instant.