Examining this piece of worked stone, which once belonged to a prehistoric man living in that valley, we find it fairly well polished, though the action of countless years has slightly weathered or disintegrated its once smooth surface. In the center, a groove has been cut, and the ends of the stone rise slightly from the middle. It is rather crescent-shaped. It must have been tied to a line, and this stone gorge was covered with a bait; the fish swallowed it, and, the gorge coming crosswise with the gullet, the fish was captured. […] In the Swiss lakes are found the remains of the Lacustrine dwellers. Among the many implements discovered are fish-gorges made of bronze wire. When these forms are studied, the fact must be recognized at once that they follow, in shape and principle of construction, the stone gorges of the Neolithic period.

For [Ludwig von] Mises or [Murray] Rothbard, it is simply confused to posit latent preferences; if two individuals fail to make an exchange, then this ipso facto demonstrates that at that moment at least one of them would not have benefited from the exchange.

Can you run it back to the beginning, please?

the indivisibleness of his essence from their presences