22 Subtle Signs That Someone Is Much, Much Smarter Than They're Letting On

Have you ever heard this quote? “Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

It’s most commonly attributed to Albert Einstein (though, apparently, that’s not true). But regardless of who initially said it, I think it’s a great sentiment because it succinctly expresses the idea that intelligence comes in many different forms.