“Most of us view the world as more benign than it really is, our own attributes as more favorable than they truly are, and the goals we adopt as more achievable than they are likely to be. We also tend to exaggerate our ability to forecast the future, which fosters optimistic overconfidence. In terms of its consequences for decisions, the optimistic bias may well be the most significant of the cognitive biases. Because optimistic bias can be both a blessing and a risk, you should be both happy and wary if you are temperamentally optimistic.”

in Daniel Kahneman, Psychology, Writers

-Daniel KahnemanThinking, Fast and Slow (New York: Farrar, Straus and Giroux, 2011), p. 255.

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