The greatest allure of Ringworld lies in its awe-inspiring setting. A colossal ring-shaped artificial structure, almost the same diameter as Earth’s orbit and millions of kilometres wide, it is a world of such immense scale and perfection that it can literally foster “infinite life.” Earthly life has evolved within the finite confines of our planet, but Ringworld nurtures a diverse array of organisms and civilisations within its seemingly boundless, artificially created environment.

The depiction of this hyper-structure strongly suggests the infinite possibilities for ‘life’ to exist beyond Earth’s limitations in the universe. It intellectually and visually stimulates the “resonance with the universe as a living entity” that No Life explores. This narrative teaches us what forms ‘life’ in the cosmos might take, and that there are yet unknown evolutionary paths.

The expedition to Ringworld is composed of various species: the near-immortal “Humans,” the highly fortunate “Puppeteers,” and the warlike “Kzin.” These extraterrestrial beings embark on an exploration of this unknown world, driven by their respective purposes and philosophies. They clash over their values, yet seek to live out their “Personal Legend” within it.

Notably, the human protagonist, Louis Wu, and the Puppeteer, Nessus, are driven by fear, curiosity, and species-specific instincts, yet they never cease their exploration into the unknown. Their journey prompts readers to reflect on the importance of “listening to one’s inner voice” and the courage to pursue truth “unbound by existing frameworks.” The cooperation and conflict between the different species suggest how “deep connections with others” are formed and how they influence our ‘life’.

Ringworld, though an artificial creation built for some purpose, has unknown creators, and within it, various civilisations have risen and fallen throughout history. Through encountering desolate cities, inexplicable ruins, and the inhabitants of Ringworld, the expedition seeks to uncover traces of past advanced civilisations and the reasons for their decline. This process is akin to striving for the wisdom to interpret the “signs” emitted by the universe itself.

The story implies the transience of ‘life’ – that civilisations, even highly advanced ones or those inhabiting vast spaces, can meet their end – while also hinting at the continuous “chain of life” that persists in altered forms. Ringworld’s grand history offers us an opportunity to deeply contemplate the true nature of “time” and the universal cycle that ‘life’ follows within the cosmos. It also suggests the importance of spiritual and soulful richness beyond mere material wealth.

The very existence of Ringworld suggests that the possibilities for ‘life’ in the universe are far vaster than we can imagine. If a civilisation capable of creating such a colossal structure existed, might there not be unseen wonders, technologies, and philosophies yet to be discovered in the cosmos?

The events the expedition encounters on Ringworld, and the decisions they make, prompt deep reflection on humanity’s role in the future cosmos and how we might interact with other intelligent life forms. What kind of beings will we be on the vast stage of the universe? How will technological advancements transform our ‘life’? Ringworld is not only a grand adventure but also a profound inquiry into our own future.

Through this narrative, readers will reconsider the potential of their own ‘life’ and “discover” the importance of free thinking, unburdened by preconceptions. The universe is vast, and our journey of exploration has only just begun.

Ringworld, with its immense scale and meticulous scientific extrapolation, stimulates readers’ intellectual curiosity to the fullest. But even more, this work poses fundamental questions: “What is life?” and “Where do we come from, and where are we going?”

Larry Niven’s masterpiece provides new perspectives and deep insights for us to consider how we view our own ‘life’ and what “Personal Legend” we choose to weave. We invite you to pick up this book and embark on a journey to “discover” the boundless possibilities of ‘life’ spanning the infinite cosmos.