Smart means having intellectual humility rather than high cognitive ability.

I don't know, and have no intention of finding out. IQ is like dick size - if you have to measure, you're way too invested in it. And both are gauche to discuss in polite company. (Upon being asked his IQ on Quora)

It's important to be smart, but it's also important to be active with your intelligence. The more you sit around over-thinking things, the more trouble you get into.

We are just too busy trying to appear smart to realize how intelligent we actually are.

Oh, yes. I'm terribly smart. Wouldn't it have been nice... to be intelligent?

If there are as many connections in your brain as there are stars in the universe, why ask for superpowers?