Human beings cannot comprehend very large or very small numbers. It would be useful for us to acknowledge that fact.

An executive might have a very strong intuition that a given product has promise, without considering the probability that a rival is already ahead in developing the same product.

One thing we have lost, that we had in the past, is a sense of progress, that things are getting better. There is a sense of volatility, but not of progress.

If there is time to reflect, slowing down is likely to be a good idea.

Poverty is clearly one source of emotional suffering, but there are others, like loneliness. A policy to reduce the loneliness of the elderly would certainly reduce suffering.

The extra daily social time of 1.7 hours in weekends raises average happiness by about 2%.

We're generally overconfident in our opinions and our impressions and judgments.