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.