"Here too was all the work by which man had been made repeated before my eyes. I saw the form waver from sex to sex, dividing itself from itself, and then again reunited. Then I saw the body descend to the beasts whence it ascended, and that which was on the heights go down to the depths, even to the abyss of all being. The principle of life, which makes organism, always remained, while the outward form changed.