If you feel like you've got a close call between quitting and persevering, it's likely that quitting is the better choice. - Annie Duke

Over time, those world-class poker players taught me to understand what a bet really is: a decision about an uncertain future.

Improving decision quality is about increasing our chances of good outcomes, not guaranteeing them.

There are many reasons why wrapping our arms around uncertainty and giving it a big hug will help us become better decision-makers. Here are two of them. First, "I'm not sure" is simply a more accurate representation of the world. Second, and related, when we accept that we can't be sure, we are less likely to fall into the trap of black-and-white thinking.