One of the easiest ways to spot a smart person is by hearing them say, “I don’t know.” It’s a powerful phrase that shows humility, curiosity, and a willingness to learn. But, as you’ve probably seen in your own life (or online), these words aren’t in everyone’s vocabulary.
To show you what stubbornness can lead to, we’ve collected a list of moments where people were absolutely sure of themselves… and completely wrong at the same time—proof that confidence can take you far, just not always in the right direction.
