Success in business and in life depends on good decisions, and good decisions depend on two things. One, you need to know the facts. Two, you need to think about them intelligently.
Most decision-making advice focuses on the second element — it gives you tips on how to weigh alternatives and frame possibilities in order to think more intelligently about choices. Facts, you might think, basically take care of themselves. You can rely on your eyes and your brain to tell you what you need to know.