Instability of this kind—the kind that makes you wonder whether your ingroup is helping you draw closer to the truth of things or blocking you from seeing that truth—is pretty much impossible to live with for the long term. You simply can’t thrive in a state of constant daily evaluation of the truth-conduciveness of your social world, any more than a flowering plant can flourish if its owner digs up its roots every morning to see how it’s doing.*2
