chunk: Meanwhile, at Angoulême David Séchard is betrayed on all sides but is supported by his loving wife. He invents a new and cheaper method of paper production: thus, at a thematic level, the commercialization of paper-manufacturing processes is very closely interwoven with the commercialization of literature. Lucien’s forgery of his brother-in-law’s signature almost bankrupts David, who has to sell the secret of his invention to business rivals. Lucien is about to commit suicide when he is approached by a sham Jesuit priest, the Abbé Carlos Herrera: this, in another guise, is the escaped convict Vautrin whom Balzac had already presented in Le Père Goriot. Herrera takes Lucien under his protection and they drive off to Paris, there to begin a fresh assault on the capital.