That's why we process faster on some problems you can't hold in your head.

"Now just hold that image in your head for a moment, and think about how to set up a global telecommunications network."

"I can hold it in my head long enough to jot the high points down later."

At least the idea you hold in your head will be proven right or wrong.

I have such a hard time holding people's names in my head.

The waves drowned numbers you cannot hold in your head.

She didn't seem to be able to hold a simple thought in her head for more than about ten seconds.

For a brief moment it seemed he understood; held in his head a key to the pattern of all things.

He held her close, the wonder of it in his head.

The priceless knowledge that man had to hold in his head!