Psychologist and Nobel Prize winner Daniel Kahneman on optimism:

"If you are allowed one wish for your child, seriously consider wishing him or her optimism. Optimists are normally cheerful and happy, and therefore popular; they are resilient in adapting to failures and hardships, their chances of clinical depression are reduced, their immune system... See more

If optimism shapes reality, and helps people progress more quickly, and if progress has brought improvements in health, lifespan, happiness, equality, and a host of other measures that matter, then more optimism is good.

Morgan Housel on finding the sensible balance between optimism and pessimism:

“Optimism is usually defined as a belief that things will go well. But that's incomplete. Sensible optimism is a belief that the odds are in your favor, and over time things will balance out to a good outcome even if what happens in between is filled with misery. And in fa... See more

Optimism is associated with better physical health. Emotions like joy, gratitude, and hope significantly boost our well-being.[8] We need plenty of positive emotions in our portfolio. They should outnumber the negative ones.[9] Yet overweighting our emotional investments with too much positivity brings its own dangers. The imbalance can inhibit lea

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