There is a feeling that permeates our modern world—a quiet but persistent sense of unease, as if the ground beneath our feet is no longer stable. Sometimes, I think of our society as a massive ship, built with many levels and decks.

There is a feeling that permeates our modern world—a quiet but persistent sense of unease, as if the ground beneath our feet is no longer stable. Sometimes, I think of our society as a massive ship, built with many levels and decks.