X. (36) The incorporeal world then was already completed, having its seat in the Divine Reason; and the world, perceptible by the external senses, was made on the model of it; and the first portion of it, being also the most excellent of all made by the Creator, was the heaven, which he truly called the firmament, as being corporeal; for the body is by nature firm, inasmuch as it is divisible into three parts; and what other idea of solidity and of body can there be, except that it is something which may be measured in every direction? therefore he, very naturally contrasting that which was perceptible to the external senses, and corporeal with that which was perceptible only by the intellect and incorporeal, called this the firmament. (37) Immediately afterwards he, with great propriety and entire correctness, called it the heaven, either because it was already the Boundary{2}{philo means that ouranos was derived either from horos, a boundary, or from horaoµ, to see, horatos, visible.} of everything, or because it was the first of all visible things which was created; and after its second rising he called the time day, referring the entire space and measure of a day to the heaven, on account of its dignity and honour among the things perceptible to the external senses.

XI. (38) And after this, as the whole body of water in existence was spread over all the earth, and had penetrated through all its parts, as if it were a sponge which had imbibed moisture, so that the earth was only swampy land and deep mud, both the elements of earth and water being mixed up and combined together, like one confused mass into one undistinguishable and shapeless nature, God ordained that all the water which was salt, and destined to be a cause of barrenness to seeds and trees should be gathered together, flowing forth out of all the holes of the entire earth; and he commanded dry land to appear, that liquid which had any sweetness in it being left in it to secure its durability. For this sweet liquid, in due proportions, is as a sort of glue for the different substances, preventing the earth from being utterly dried up, and so becoming unproductive and barren, and causing it, like a mother, to furnish not only one kind of nourishment, namely meat, but both sorts at once, so as to supply its offspring with both meat and drink; wherefore he filled it with veins, resembling breasts, which, being provided with openings, were destined to pour forth springs and rivers. (39) And in the same way he extended the invisible irrigations of dew pervading every portion of arable and deep-soiled land, to contribute to the most liberal and plenteous supply of fruits. Having arranged these things, he gave them names, calling the day, “land,” and the water which was separated from it he called “sea.”