If you Google 'regret and tattoo,' you will get 11.5 million hits.

The kinds of things that we can make mistakes about are essentially unlimited in number.

We're terrified of not having the answers, and we would sometimes rather assert an incorrect answer than make our peace with the fact that we really don't know.

The miracle of your mind isn't that you can see the world as it is. It's that you can see the world as it isn't.

Of all the things we are wrong about, error might well top the list ... We are wrong about what it means to be wrong. Far from being a sign of intellectual inferiority, the capacity to err is crucial to human cognition. Far from being a moral flaw, it is inextricable from some of our most humane and honourable qualities: empathy, optimism, imagination, conviction, and courage. And far from being a mark of indifference or intolerance, wrongness is a vital part of how we learn and change. Thanks to error, we can revise our understanding of ourselves and amend our ideas about the world.

Thirty-three percent of all of our regrets pertain to decisions we made about education.

The inability to experience regret is one of the diagnostic characteristics of sociopaths.