How do Doctor Noir and Stello represent opposing ideas in Alfred de Vigny’s Stello?

In Alfred de Vigny’s Stello (1832), the two central characters serve as symbolic representations of the author’s internal conflict regarding the poet's role in society.1

• Stello represents the poet’s own desire for active engagement in the public arena and his susceptibility to imprudent enthusiasm.1
• Doctor Noir (the Black Doctor) represents Vigny’s own intellect and analytical detachment.1

Through a series of dialogues, or "consultations," Doctor Noir acts as a guide who subjects Stello to a psychoanalytic examination to protect him from the dangers of political involvement. By recounting the tragic fates of poets like Nicolas Gilbert, André Chénier, and Thomas Chatterton, the doctor demonstrates that political regimes—regardless of their ideology—inevitably inflict "perpetual ostracism" upon the poet.1

Ultimately, Doctor Noir prescribes a remedy of "separating poetic life from political life." He advises Stello to avoid direct political participation to preserve the dignity of his art and escape the cruelties inherent in fanaticism and public life.1