[98] And besides, there is no single existing thing which is brought to perfection by seed alone without its appropriate nourishment. For seed resembles the beginning, and the beginning by itself does not make perfect; for beware of imagining that the ear of corn blossoms and ripens solely from the seed, which is cast by the husbandman on the ploughed field; for in truth, dryness and moisture, the twofold moisture which is derived from the earth, co-operate in the greatest degree towards its growth. And so the creature which is fashioned in the womb is not permitted by nature to be brought to life and perfection by the seed alone, but also by the nourishment shed upon it from without, which the woman who has conceived supplies.