We cannot confront solitude without moral resources.

Taken at face value, the line suggests that solitude is not merely a physical condition but a moral and psychological trial. To be alone—without the buffering effects of society, distraction, or external approval—forces a person to confront conscience, desire, fear, and self-knowledge. “Moral resources” implies inner reserves: principles, habits of self-discipline, faith, or a coherent sense of purpose that can steady the mind when no social structure is present. In a Balzacian key, it also hints that isolation can expose weakness or corruption as readily as it can foster reflection; solitude tests character by removing the usual supports and masks.