It is difficult for us, today, to take some of the teachings of the ancients seriously. The ancient Greeks believed, for example, that peacock flesh did not rot, and that various small creatures — think mice, maggots, and clams — spontaneously generated from inanimate matter like wheat, meat, and sand.
These seem, today, to be so obviously wrong that our ancestors seem stupid. But they were not. Have you, for example, ever actually observed a mouse being born? And if you’d never seen a peacock, might you not also believe that its flesh really does not rot? We generally do, even now, take our facts on authority, trusting that somebody, somewhere, has observed them or performed the relevant experiments and found them to be true. In fact, things can get all the more convincing when we try the experiments ourselves. I described last week how the rapid “growth” of metals in certain solutions seemed to confirm the theory that they also grew, albeit much more slowly, underground. Or take Jan-Baptiste van Helmont, who in the early seventeenth century reported that, having placed some wheat and a sweaty shirt in a barrel, lo and behold, a few days later there appeared some mice. Spontaneous generation confirmed! (He also, somehow, found that small scorpions spontaneously generated from placing basil under a brick in the sun.) In fact, the persistence of spontaneous generation as a theory should give us pause — although it was tested from the seventeenth century onwards, it was only finally completely debunked by Louis Pasteur in the 1860s.
How could the authority of the ancients be so potent for so long? Well, consider the context. Today, in a world of skyscrapers, indoor plumbing, and the widespread use of horse-less metal chariots, we rarely think that the ancients were in any way more advanced than us. We would, automatically, question them. In the sixteenth and seventeenth centuries, however, in a world of wooden houses, dirt floors, and carts, then the still-standing achievements of the ancients must have been mind-blowing: centuries-old pyramids, aqueducts, amphitheatres, and arenas, not to mention the written accounts of technologies long lost. Archimedes had allegedly set fire to Roman ships at the siege of Syracuse in the 3rd century BCE, using only mirrors focusing the sun’s beams. Archytas had apparently made a flying pigeon out of wood, and Daedalus had achieved human flight. Perhaps Vulcan’s legendary army of iron men might have been real automata.
Anton Howes, “Trusting the Ancients”, Age of Invention, 2019-10-10.
January 14, 2024
QotD: The misleading wisdom of the ancient world
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