How to use "idiots" in a sentence

As it happened, I didn't stay in prison long, because they soon realized that I was an idiot, and they put me in a special hospital for idiots

"You idiots! This is an investment bank! There's no money here! Everything is done by transfer." And he looks at us all like we are children, with that arrogant expression on his face

No, this is his holiday, his escape from all those idiots back in California