Chapter II: The Nature of Humanity

If misunderstandings are not to creep in at the outset, two things must be borne in mind when these terms are used. In the first place, the word ‘ether’ is here applied in a different sense from that of modern Physics, which denotes as ether, for example, the supposed carrier of light—the ‘luminiferous either.’[^1] Here the word ‘ether’ will be strictly limited to the meaning above indicated. It will be applied to the reality, accessible to higher perception, which makes itself known to sense-observation only by its effects, namely by its power to give definite form and configuration to the mineral substances and forces present in the physical body. Nor, in the second place, must the word ‘body’ be misunderstood. To designate these more spiritual entities there is no avoiding the use of words taken from ordinary language, which to begin with apply to material, sense-perceptible things. The etheric body is of course nothing ‘bodily’ in the sensual meaning of the term, in however refined a way we might conceive it.[^2]