How do you know if one is stupid?

[fabrizio]

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When someone simply overdoes illogical/dumb/out of sense things *and they know they’re doing it<a href=“emphasis%20mine”>/i</a>.

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<p>I agree with this.</p>

<p>If you honestly don’t know that you’re “overdo[ing] illogical/dumb/out of sense things,” that’s ignorance, not stupidity. Moreover, making mistakes isn’t stupid if you learn from them. Making them over and over again and not even trying to adapt, however, is stupid.</p>