What separates the world's most successful entrepreneurs and business tycoons from the rest? It's not their superhuman intelligence. It's something more fundamental: they understand how to turn uncertainty to their advantage. We all know that the future is inherently unknowable, and yet we behave and plan as though it is. Once we truly understand the nature of uncertainty, though, we can take practical steps to make the most of the opportunities that come our way. How to prepare for the unforseen and make the best of it.