Quills is a 2000 period film directed by Philip Kaufman and adapted from the Obie award-winning play by Doug Wright, who also wrote the original screenplay. Inspired by the life and work of the Marquis de Sade, Quills re-imagines the last years of the Marquis' incarceration in the insane asylum at Charenton. It stars Geoffrey Rush as the Marquis de Sade, Joaquin Phoenix as the Abbé du Coulmier, Michael Caine as Dr. Royer-Collard, and Kate Winslet as laundress Madeleine "Maddie" LeClerc. Wikipedia
Dr. Royer-Collard: You know how I define idealism, Monsieur Delbenet? Youth's final luxury.