What he carried in his head might be more useful.

He carried a tremendous amount of information in his head.

"Yes, I do think you carry them in your head."

But what he carries in his head means even more.

He took on 45 players at one time, carrying all the games simultaneously in his head.

If you've been carrying one around in your head and would like to help out, drop me a line.

Or do you believe that I could carry such complex plans in my head?

Here's a question I've been carrying around in my head for months.

I never can think how you manage to carry so much in your head.

"I should go around carrying gun numbers in my head!"