In "Murder Most Royal," Jean Plaidy explores the theme of self-control and its significance in morality. The statement that a man unable to temper his passions is inherently cruel underscores the importance of personal restraint. Plaidy suggests that unchecked desires can lead to harmful behavior, highlighting how passion, when left uncontrolled, may result in direct harm to others.
This assertion reflects a deeper understanding of humanity, where the ability to manage one's emotions and desires can define a person's character. The notion implies that true strength lies not in succumbing to one's impulses but in exercising discipline. Through this lens, Plaidy invites readers to consider the broader implications of passion and its potential to distort moral judgment.