But her mind for the moment was running on something else.

Already my mind was running ahead to all I must do before the sun rose again on the next day.

Her mind ran over this picture all the day long.

But my mind did not run so much on this as might be supposed.

On the way her mind ran over their conversation in the car park.

The mind 'runs on' social information, for our environment is a society.

My mind was still running on some of the expressions used.

He let his mind run on the various phases of the situation.

A few hours from now, he'd be alert, his mind running at top form.

My mind ran on old friends that I had forgotten for years.