40. When this has been said, and one man’s ideas have carried him so far, another rises and says: Agriculture is good indeed, for it supplies fruits for all, and by simple industry adds to the richness of the earth without any cheating or fraud. If there is any error, the loss is the greater, for the better a man sows, the better he will reap. If he has sown the pure grain of wheat, he gathers a purer and cleaner harvest. The fruitful earth returns what she has received in manifold measure. A good field returns its produce with interest.