I can't help but believe that Obama is extremely intelligent and competent.

On the contrary, I would say he was extremely intelligent.

Both stated that their children were extremely intelligent and healthy.

All Dragons are extremely intelligent and seem to understand everything said to them.

Why not practice living as though we were extremely intelligent?

She's an extremely intelligent woman, in case you've never noticed.

He's an extremely intelligent person who can handle many issues.

"Lawyers are extremely intelligent people, so you need to think on your feet and accept the challenge," she said.

She was at least half human, very sociable, and extremely intelligent.

That's an extremely intelligent thing to say which I agree with.