True, he said.
And they exchange with one another, and one gives, and another receives, under the idea that the exchange will be for their good.
Very true.
Then, I said, let us begin and create in idea a State; and yet the true creator is necessity, who is the mother of our invention.
Of course, he replied.
The four or five greater needs of life, and the four or five kinds of citizens who correspond to them. [D]Now the first and greatest of necessities is food, which is the condition of life and existence.
Certainly.
The second is a dwelling, and the third clothing and the like.
True.
And now let us see how our city will be able to supply this great demand: We may suppose that one man is a husbandman, another a builder, some one else a weaver—50shall we add to them a shoemaker, or perhaps some other purveyor to our bodily wants?