[111] Heraclitus therefore spoke very correctly when he said that, "Water was the death of the soul, and earth the death of water." For thinking that the breath was the soul, he indicates, by this figurative and enigmatical expression, that the end of air is the production of water, and again that the end of water is the production of earth; and when he speaks of death he does not mean utter destruction, but a change into some other element;