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And therefore what they produce at home must be not only enough

for themselves, but such both in quantity and quality as to

accommodate those from whom their wants are supplied.

Very true.

Then more husbandmen and more artisans will be required?

They will.

Not to mention the importers and exporters, who are called

merchants?

Yes.

Then we shall want merchants?

We shall.

And if merchandise is to be carried over the sea, skilful sailors

will also be needed, and in considerable numbers?

Yes, in considerable numbers.

Then, again, within the city, how will they exchange their

productions? To secure such an exchange was, as you will

remember, one of our principal objects when we formed them into a

society and constituted a State.

Clearly they will buy and sell.

Then they will need a market-place, and a money-token for

purposes of exchange.

Certainly.