Imagination was the force that freed the mind, unchained it from reality. If you were poor, you had much to escape from, so you needed imagination. If you were rich, your reality needed little tending to, you could afford to dream away. But the ones in the middle, where was the room for it in their lives? It was action, not imagination, that was their best shot at a big step forward. For the middle classes, the mind and the body had to run along together, like railway tracks, to let them move forward.
