In Hegel über Leben und Natur: Sinn und Aktualität (Hegel on Life and Nature: Meaning and Relevance), Taiju Okochi offers an expansive exploration of two seemingly disparate, yet deeply interconnected, terms in Hegel’s philosophy: Leben (life) and Natur (nature). These notions, which at first glance might appear unrelated or even oppositional within Hegel’s comprehensive system, are treated as vital elements that resonate through the entirety of his thought. The book emerges from the 2022 conference Nature and Life in Hegel, held in Kyoto, where Hegel scholars from across East Asia and Germany convened to engage with the details of these terms in relation to the system of German Idealism. What unites these essays is the recognition that life and nature in Hegel’s philosophy not only hold philosophical significance but also maintain contemporary relevance, particularly in light of ongoing debates within modern metaphysics, logic, and natural science.
Hegel’s treatment of life is rooted in its status as a logical category—Leben represents a stage in the dialectical unfolding of Idea, a logical movement that defines the process of becoming. This is a life that transcends biological or empirical accounts of living beings, positioning life as a dialectical interplay of notions where oppositions, such as finite and infinite, or the individual and the universal, are reconciled. It is in this movement that Hegel places life within the broader structure of his system, where it does not exist merely as an empirical or biological phenomenon but as a logical principle that reflects the deepest processes of thought and being. Thus, life, for Hegel, is more than a biological state; it is a dynamic, dialectical totality in which opposites are sublated. This conception of life is inseparable from Hegel’s dialectics, serving as a model for the entire process of becoming, where life both negates and preserves itself, creating a self-contained unity.
Nature, on the other hand, occupies a more specific position within the Hegelian system, emerging predominantly in the second part of his Science of Logic and becoming a focal point in the Philosophy of Nature. At first glance, nature seems to be a mere object of thought, something that is external to the spirit. However, Hegel’s notion of nature is intertwined with his understanding of life. Nature represents the otherness of the idea, the way in which the idea externalizes itself before returning to the spirit. Hegel critiques the materialism and reductionism of certain interpretations of nature that treat it as a static, unchanging realm. For him, nature is not just a realm of dead matter or pure mechanistic existence; it is the unfolding of the idea, the stage upon which the dialectic of life is realized. In this regard, nature is not merely something to be understood in terms of laws and objective facts but must also be grasped in terms of its teleological progression, its becoming. The dialectic of life and nature is thus inseparable, with nature serving as a concrete manifestation of life’s potentialities, a realm in which the idea gradually becomes materialized.
The relationship between life and nature also unfolds in Hegel’s Phenomenology of Spirit, where these concepts are crucial to understanding the development of self-consciousness. In this work, the organism emerges as a central figure—an embodiment of life in nature, where Hegel examines how organic life serves as a vehicle for the realization of consciousness and self-consciousness. The dialectic of life and nature here becomes a vehicle for understanding the unfolding of subjective spirit. For Hegel, the organism is not a simple biological entity but a realized Idea, where the unity of life and nature becomes apparent. This philosophical anthropology highlights the deep connection between life as a metaphysical concept and nature as the realization of spirit in its material form.
The contributions in Okochi’s volume shed light on these interconnected themes, highlighting their relevance for both Hegel’s original context and contemporary philosophical discourse. The authors engage with the philosophical, ontological, and metaphysical dimensions of life and nature, tracing Hegel’s treatment of these terms across his works, from his early writings to the Encyclopaedia of the Philosophical Sciences. These essays also explore how Hegel’s system interfaces with various strands of thought in modern philosophy and science. The philosophers in this volume explore how the categories of life and nature are not just philosophical abstractions but are also embedded in Hegel’s understanding of the world, including his reflections on ethics, aesthetics, and history.
A key aspect of the volume is its emphasis on the incorporation of contemporary scientific knowledge within Hegel’s philosophical framework. Hegel was acutely aware of the developments in the natural sciences, and his system reflects a deep engagement with these disciplines. Whether through his reflections on the role of physics, physiology, or the mechanics of the universe, Hegel sought to integrate the empirical findings of science with the philosophical quest for understanding the totality of existence. This integration of empirical science and philosophical reflection is a hallmark of Hegel’s philosophy of nature, which is neither naive nor uncritical but rather seeks to grasp the logical underpinnings of natural processes.
Okochi’s own essay on the concept of life provides an important reflection on the dialectical role of the organism in Hegel’s system, especially in the context of the Philosophy of Nature. He examines the relationship between the idea of life and the phenomenon of illness, particularly focusing on the concept of the disease unto death in the context of Hegel’s teaching about the organism. This discussion highlights the tension between the necessity of life’s dialectical self-negation and the inevitable limitations imposed by its material form. Life, in its dynamic unfolding, is simultaneously a process of overcoming, a tension between life as the realization of idea and life as a concrete, finite existence.
The other contributions in the volume, from scholars such as Young Woo Kwon, Ryosuke Ohashi, and Shuhei Kimoto, analyse the contradictions that life presents between nature and spirit. These essays investigate the dialectic that plays out between the natural and the spiritual, focusing on how the dialectical process of life unfolds not just as an organism but throughout Hegel’s entire system of philosophy. Whether exploring the notion of life as a contradiction between nature and spirit or addressing the duality of life within Hegel’s logic, these essays underscore the philosophical richness of Hegel’s thought and its relevance for contemporary debates in philosophy of life, metaphysics, and ethics.
The collection also engages with the historical and cultural dimensions of Hegel’s system. In particular, it explores the reception of Hegel’s philosophy in East Asia, where his ideas have been creatively interpreted and developed over the course of more than a century. These cross-cultural dialogues bring into sharp relief the international dimension of Hegelian thought and its ability to transcend the historical and cultural boundaries of its origin. This intercontinental philosophical exchange not only deepens our understanding of Hegel’s work but also reveals how concepts such as life and nature can bridge diverse philosophical traditions.
Hegel über Leben und Natur: Sinn und Aktualität thus offers a comprehensive examination of two central concepts in Hegel’s philosophy, exploring their implications not only within the context of Hegel’s own system but also for ongoing philosophical inquiry. The volume succeeds in highlighting the enduring relevance of Hegel’s thought, showing that the dialectic of life and nature is as crucial today as it was in the nineteenth century. Through careful analysis, the contributors reveal the richness of Hegel’s system and its capacity to engage with modern debates in philosophy, science, and ethics, ultimately illustrating how the philosophy of life and nature remains a pivotal aspect of understanding the world and our place within it.
Simon Gros 
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