De Plantatione

And it is fitting that a man who was about to discuss the whole question of separate plants and manners of cultivation, should first of all acquire an accurate comprehension of the most perfect plants in the universe, and of the great planter and superintendent of them. He then who is the greatest of all planters and the most perfect in art, is the Ruler of the universe; and his plant is not one which comprises within itself only individual plants, but rather infinite numbers of them springing up like suckers from one root, namely, this world.

For after the Creator of the world, reducing that substance, which was in its own nature destitute of order and regularity, into a state of order, and bringing it from a condition of confusion into a distinct system, began to fashion and shape it, he placed the earth and the water in the middle, and the plants of air and fire he drew up from their previously central position to a lofty eminence; and the aether he arranged all round, placing it as a boundary to and preservation of the things within, from which also it seems that the heaven [*](Οὐρανὸς, "heaven;" as if derived from ὅρος or οὖρος, "a boundary." ) derives its name, causing the earth to be borne upon the water in such a way that it continues dry, which, however, there was reason to fear might be dissolved by water; and this great worker of marvels, moreover, united the air, which was exceedingly [*](Genesis ix. 20. ) [*](Οὐρανὸς, "heaven;" as if derived from ὅρος or οὖρος, "a boundary." )