Sentence:  The Egyptians were the first assertors of the soul's immortality, and of its transmigration, after the death and corruption of this body, into the bodies of other animals successively, viz. until it have run round through the whole circuit of terrestrial, marine, and volatile animals, after which, they say, it is to return again into a human body; they supposing this revolution or <WSD>apocatastasis</WSD> of souls to be made in no less space than that of three thousand years. 
Meaning of the word marked with <WSD> tags:  An apocalypse leading to the remaking of the world rather than a Final Judgment,  an Origenist heresy condemned by the 543 (A.D.) (Synod of Constantinople).