But for so many of us, that fear of falling short makes us not want to start. As Richard Thaler quipped, "If a gold medal in the Olympics is the only… - Annie Duke

Be picky about what you stick to. Persevere in the things that matter, that bring you happiness, and that move you toward your goals. Quit everything else, to free up those resources so you can pursue your goals and stop sticking to things that slow you down.

Poker teaches that lesson. A great poker player who has a good-size advantage over the other players at the table, making significantly better strategic decisions, will still be losing over 40% of the time at the end of eight hours of play. That's a whole lot of wrong. And it's not just confined to poker.

In addition to accountability and an interest in accuracy, the charter should also encourage and celebrate a diversity of perspectives to challenge biased thinking by individual members. Jonathan Haidt, a professor at New York University's Stern School of Business, is a leading expert in exploring group thought in politics. Haidt, in his book The Righteous Mind: Why Good People Are Divided by Politics and Religion, built on Tetlock's work, connecting it with the need for diversity. "If you put individuals together in the right way, such that some individuals can use their reasoning powers to disconfirm the claims of others, and all individuals feel some common bond or shared fate that allows them to interact civilly, you can create a group that ends up producing good reasoning as an emergent property of the social system. This is why it's so important to have intellectual and ideological diversity within any group or institution whose goal is to find truth."