Ray Bradbury's novel Fahrenheit 451 uses figurative language to make the story of a firefighter Montag more outstanding. It relates how the future American society thought that books were evil because they made people think so they meet the firefighters to burn them all.
Hyperboles are exaggerated announcements or speeches that are not meant to be taken literally. It is used for emphasize. Some of them, in the book are:
“Now, sucking all the night into his open mouth, and blowing it out pale, with all the blackness left heavily inside himself, he set out in a steady jogging pace. “The author is exaggerating by saying he can such the night.
"Classics cut to fit fifteen-minute radio shows, then cut again to fill a two-minute book column, winding up at last as a ten- or twelve-line dictionary resume. I exaggerate, of course. . .” He admits he is exaggerating.