300
                            Who says this and what event is it said right before? 
"It’s perpetual motion; the thing man wanted to invent but never did. . . . It’s a mystery. . . . Its real beauty is that it destroys responsibility and consequences . . . clean, quick, sure; nothing to rot later. Antibiotic, aesthetic, practical."
                            Beatty speaks these lines to Montag outside Montag’s home in “Burning Bright,” right before Montag burns him to death with the flamethrower.