In folk history and religion, from the Shakers to Zen, simplicity has generally been considered a good thing. Our own motivation may be to leave a smaller carbon footprint, to express a compassionate solidarity with those who have least; or simply to downsize. Whatever our concern, it is likely that the motivation to live a simpler life will spring from within. At heart, simplicity is a focus on what matters. Reducing the clutter in our lives, whether...