Faust, an aging scholar, determines that his studies have come to nothing and have only caused him to miss out on life and love (Rien! En vain j'interroge). He attempts to kill himself (twice) with poison but stops each time when he hears a choir. He curses science and faith, and asks for infernal guidance. Méphistophélès appears (duet: Me voici) and, with a tempting image of Marguerite at her spinning wheel, persuades Faust to buy Méphistophélès's services on earth in exchange for Faust's in Hell. Faust's goblet of poison is magically transformed into an elixir of youth, making the aged doctor a handsome young gentleman; the strange companions then set out into the world.