Immanuel Kant's works, particularly his discussions on "Moral Life" and "On Duties to Animals," delve into the ethical frameworks that guide our interactions with one another and with the non-human world. In his exploration of moral philosophy, Kant emphasizes the importance of duty and the moral law. He posits that actions must stem from a sense of duty and adhere to universal principles rather than merely personal inclinations or desires. For Kant, the moral life is not just about following rules; it's about understanding and acting in accordance with the moral law, which exists independently of our subjective experiences. He articulates that moral actions gain their worth when they are done from duty rather than for the sake of outcomes. This assessment is especially poignant when evaluating human obligations to non-human animals. In "On Duties to Animals," Kant argues that while animals might not possess rationality in the same way that humans do, this does not diminish our responsibilities toward them as sentient beings. He suggests that our treatment of animals ultimately reflects our moral character and influences our relationships with other humans. According to Kant, "The cruelty to animals is... contrary to the law of humanity" (Folio, p.102). Thus, he advocates for a moral consideration of animals based on our duties as rational beings who should not act cruelly or negligently toward them.
Critically assessing Kant’s perspectives on moral life and duties to animals reveals significant insights into both ethics and the human-animal relationship. Kant’s emphasis on duty as the foundation of moral actions highlights the necessity of a principled approach to ethics, reminding us that morality is not grounded in outcomes but rather in intentions. However, this perspective can be seen as somewhat restrictive, as it places a greater emphasis on human rationality while downplaying the intrinsic value of animal life and the emotional connections that can exist between humans and animals. While it is commendable that Kant advocates against cruelty to animals, his rationale appears to hinge entirely on how our treatment of animals reflects on our humanity—suggesting an approach rooted in self-interest rather than a genuine regard for the welfare of the creatures themselves. This raises questions about the adequacy of his moral framework when applied to non-human beings. It prompts a deeper reflection on whether ethical obligations should consider the interests and experiences of animals as separate and worthy in their own right, rather than merely as reflections of humanity's moral standing. Additionally, studying Kant provides a historical lens to better understand contemporary debates surrounding animal rights and welfare. While the moral considerations he discusses remain relevant, our growing understanding of animal cognition and emotions challenges some of his assertions and urges a re-evaluation of how we perceive and treat animals today. In a modern context, we must move beyond Kant’s anthropocentric view and instead embrace a more inclusive ethical framework that recognizes the inherent worth of all living beings, regardless of their capacity for rational thought. This shift may strengthen our moral responsibilities toward animals and foster a deeper respect for the myriad forms of life that share our world.