The things you should opportunity/cost quit, à la Spencer, are things you do every day or week that produce no value. What we’re talking about here are limited duration experiments. Giving something a shot. Taking a yoga class—but not signing up for a yearlong membership just yet. This is what spurs new opportunities and creates good luck. As Ralph Waldo Emerson said, “All life is an experiment. The more experiments you make the better.” In other words: Fail fast, fail cheap.
