C G Jung

On nature and psyche from the book  Flying Saucers

"Nature could express her "knowledge" in quite other ways.....for instance, instead of light-producing insects she might evolve creatures capable of "anti-gravity." In any case our technological imagination often lags a long way behind Nature's. Everything in our experience is subject to the law of gravity with one great exception: the psyche, which, as we experience it, is weightlessness itself. The psychic "object" and gravity are, to the best of our knowledge, incommensurable. They seem to be different in principle. The psyche represents the only opposite of gravity known to us. It is "anti-gravity" in the truest sense of the word. "