The irrationality. When it comes to making decisions, it’s clear that our brains are flawed instruments. But less attention has been paid to another compelling question: Given that we’re wired to act foolishly sometimes, how can we do better?

This gives you some real decision-making power: It tells you about the limits of what you know and the limits of what you should attempt. It tells you, in an imprecise but useful way, a lot about how smart or stupid your decisions were regardless of the actual outcome. It makes you aware of your process, so that even if the results are good, you ca