In recent years, scientists have begun to notice larger patterns in our biases. One of those is often described as our "psychological immune system."… - Peter Diamandis

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In recent years, scientists have begun to notice larger patterns in our biases. One of those is often described as our "psychological immune system." If you believe your own life hopeless, then what's the point of pushing on? To guard against this, we've developed a psychological immune system: a set of biases that keep us ridiculously cocksure. In hundreds of studies, researchers have consistently found that we overestimate our own attractiveness, intelligence, work ethic, chances for success (be it winning the lottery or getting a promotion), chances of avoiding a negative outcome (bankruptcy, getting cancer), impact on external events, impact on other people, and even the superiority of our own peer group (known as the Lake Wobegon Effect after author Garrison Keillor's fictional happyland "where all the children are above average"). But there's a flip side: while we seriously overestimate ourselves, we significantly underestimate the world at large. Human beings are designed to be local optimists and global pessimists and this is an even bigger problem for abundance.