Ocean and the Limit of Existence

For the ancient Greeks, Ocean was imagined as a band which circumscribed the world like a gigantic river. This idea is deeply rooted in the intellectual model of the world which stretches back to the time of Homer. The Greeks did not know with any certainty that there was indeed an ocean which bounded the continents of Europe, Asia, and Africa, but the belief that it did so bound the land was an essential part of their picture of the world.

But the Greek concept of Ocean is so much more than t...