One of the things Ford Prefect had always found hardest to understand about humans was their habit of continually stating the obvious… At first Ford formed a theory to account for this human behaviour. If human beings don’t keep exercising their lips, he thought, their mouths seize up. After a few months’ consideration and observation he abandoned this theory in favour of a new one. If they don’t keep on excercising their lips, he thought, their brains start working.
One of my favorite passages from the Hitchhiker’s Guide to the Galaxy.
I’m pretty sure he was wearing the sash from his first scene in Encounter at Farpoint.