"It's a dangerous business, Frodo, going out of your door," he used to say. "You step into the Road, and if you don't keep your feet*, there is no telling where you might be swept off to."
The Lord of the Rings
Frodo about his uncle Bilbo Baggins, Chapter 'Three is Company'.
*During a recent trip to Key West, a version of this quote from The Fellowship of the Ring movie was our motto.