Not from her extraordinary National Book Award acceptance speech (text, video), in which she challenged both the commodification of literature and the marginalization of science fiction, but for this [item 90]:
We do have our nice Subaru, but we can’t drive it. I never could. I learned to drive in 1947 but didn’t get a license, for which I and all who know me are grateful. I’m one of those pedestrians who start to cross the street, scuttle back to the curb for no reason, then suddenly leap out in front of your car just as you get into the intersection. I am the cause of several near accidents and a great deal of terrible swearing.
Imagine what might happen if everyone assessed their own driving skills so candidly.