: It has supplanted the Encyclopedia Galactica because it is slightly cheaper and has those friendly words on the front.
: Printed on the cover to keep interstellar travelers from panicking when faced with the device's insanely complicated operation. subtitle The Hitchhiker's Guide to the Galaxy
The words famously inscribed on the cover of the fictional Hitchhiker's Guide to the Galaxy are which the protagonist Arthur Dent describes as "the first helpful or intelligible thing anybody's said to me all day". : It has supplanted the Encyclopedia Galactica because