Intelligence is what you know, Smart is what you do.

Engineers never stop thinking. We changing with the times

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?

Smart means having intellectual humility rather than high cognitive ability.