Madness and Rationality

Characters like Miserrimus Dexter exhibit erratic, 'mad' behavior that challenges rational thought, while Valeria's obsessive pursuit of truth is questioned as irrational, blurring the line between sanity and determination.

Eustace's erratic behavior—laughing wildly then kneeling in despair—suggests a mind under extreme strain.

Valeria teeters on the edge of irrational jealousy and horror, questioning her own sanity as she confronts the possibility of Eustace's bigamy.

The Major's characterization of Dexter as mad contrasts with Valeria's rational determination to consult him for a legal purpose.

Miserrimus Dexter is portrayed as a madman whose testimony was erratic, yet Valeria believes his advice could be valuable.