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Liu Cixin on Death's End
In his own words: quotes and insights from the author.Why he wrote it
Eight hundred yuan and a long nightThe trilogy that ends with the heat death of the observable universe began with a gambling loss in a dormitory. Liu Cixin was in his early twenties, freshly graduated, isolated in a power-plant compound with nothing to do after dark, and one bad night at mahjong clarified what his evenings could not keep costing him.
In 1989 I was a computer programmer at the Niangziguan power plant; I was in my early twenties and had just graduated from university. I lived in single dorms and didn’t have a girlfriend. I had nothing to do in the evenings apart from playing cards and mahjong. In one night I lost a month’s wages—800 yuan. That was the moment I suppose. I thought—I can’t go on like this. I had to find something to fill the evenings. If I couldn’t make money at least I shouldn’t lose any. Then I thought of writing a science-fiction novel.
That practical start channelled something he had carried since childhood: a pull toward the universe that no engineering job could fully absorb. When asked what sustained him across two decades and three books, he named curiosity and scale, not craft or ambition.
I was quite curious about the unknown world and was full of yearnings for the vast universe, and it was this wonder and desire that drove me to write science fiction. I’ve tried to describe the relationship between man and nature and the universe, using imagination to expand my existence.
Modern physics gave that curiosity a specific address. Liu Cixin spent his career as an engineer whose subject matter was the behaviour of large systems, and he found that contemporary physics had already outrun everyday intuition so completely that it handed science fiction writers everything they needed.
The world described by modern physics has already moved far beyond our common sense and intuition, even beyond our imagination, and this is, of course, the richest resource for science fiction. I’ve tried to turn the magical world as demonstrated by modern physics into vivid stories. Most of my stories were based on and imagined along the lines of physics and cosmology.
By the time he reached the third volume, the trilogy’s animating question had become inseparable from what he believed was the most consequential uncertainty in real life. The contact scenario that drives ‘Death’s End’ to its conclusion was not, for him, a thought experiment at a comfortable distance.
Don’t take the issue of extraterrestrials lightly. I want to tell everyone that aliens could be the most real and pressing problem we face. [paraphrased from audio]
That urgency is what distinguishes ‘Death’s End’ from ordinary cosmic-scale science fiction: the billions of years on the page are meant to press on the reader’s present morning.
How he wrote it
The story finished before a word was writtenLiu Cixin does not draft toward a destination. The entire narrative, from the opening premise to the final consequence, has to exist completely in his mind before the first sentence appears on paper. This is not a romantic description of inspiration but a literal account of his method.
I only start writing after the story is completed in my head.
The premise that launches a book does all the structural work. He described this process in a China Culture video interview, using the first volume’s starting point to show how the rest of a trilogy’s machinery assembles itself once a single original idea is in place.
The way I approach writing science fiction is to start with a stunning, highly original sci-fi premise, and then derive the story from it, extracting storytelling resources along the way. The initial premise of The Three-Body Problem is the irregular motion of three stars, and how a civilization within that system manages to survive. Everything else stems from this premise. [paraphrased from audio]
When a reader asked whether ‘Death’s End’’s two central characters, Cheng Xin and Yun Tianming, were drawn from his own emotional life, Liu Cixin rejected the premise cleanly. The characters’ inner lives were not autobiography in disguise; they were load-bearing elements of the plot’s architecture.
The characters in my novels have little to do with my own life. When I was portraying these characters, I rarely put myself into them. They are more like some kind of signs or symbols and their character development is mainly dictated by the need of the story.
The trilogy’s bleakest moral scenarios, the utilitarian catastrophes and the cosmic indifference that accumulate through ‘Death’s End’, are equally not his personal worldview. He draws a firm line between what he believes and what the story requires him to write.
The worldviews, cosmic perspectives, and especially the values depicted in my works may not always align with my personal values, particularly those harsh or dark plots. You might then ask, ‘If you don’t agree with them, why do you write about them?’ It’s simple, to captivate readers. [paraphrased from audio]
He described the balance between reality and imagination at a 2018 symposium. The image he chose was precise: realism is not the destination, it is the runway. Once the wheels leave the ground, the direction of travel is somewhere physics textbooks cannot follow.
For me, realism is the platform, the takeoff ground for my imagination. But if I have started with realism, then my goal is always to reach the pure realm of the imaginary.
That same symposium produced the clearest statement of what he is not doing: he is not writing about contemporary China in costume. The universe is the subject, not a mirror held up to any one country’s politics.
At the same event he stated the negative case directly, making clear that allegory and social critique are temptations he has no interest in, even as critics in both China and the West keep reaching for those frames.
I’m not interested in allegorizing, criticizing, and representing reality. For me, the most valuable—the most precious—part of science fiction is that we can build a world entirely based on imagination.
The personal thread
Two writers behind the dark forestLiu Cixin rarely discusses his formative reading, so when he names his direct influences, the pairing is worth sitting with. Arthur C. Clarke is the expected name for anyone writing hard science fiction at civilizational scale. George Orwell is the stranger companion, the one who suggests that the man who insists he is not writing allegory has spent a long time reading the writer who mastered it.
The two writers who influenced me the most are Arthur C. Clarke and George Orwell. [paraphrased from audio]
He grew up during the Cultural Revolution, and that experience left him with something more durable than political opinion: a firsthand understanding that civilisation can collapse quickly, and that individuals caught inside such collapses lose their capacity for independent judgment. ‘Death’s End’ is a book about civilisational collapse on a cosmic scale, and its author is someone who watched a version of it happen in a single country within a single decade.
In 1989 I was a computer programmer at the Niangziguan power plant; I was in my early twenties and had just graduated from university. I lived in single dorms and didn’t have a girlfriend. I had nothing to do in the evenings apart from playing cards and mahjong. In one night I lost a month’s wages—800 yuan. That was the moment I suppose. I thought—I can’t go on like this. I had to find something to fill the evenings. If I couldn’t make money at least I shouldn’t lose any. Then I thought of writing a science-fiction novel.
What he wants us to sit with
Look up, even for a momentHis stated measure of success is almost aggressively modest for a writer whose final volume spans the last moments of the universe. He has repeated this image across several interviews over many years, which suggests it is not a polished press answer but the actual standard he holds himself to.
I have said before that I would feel a sense of achievement if someone would stop while walking home to look at the stars, even if it’s just for a moment. I still think this way.
The contact scenario at the heart of the trilogy is not, in his view, science fiction’s traditional exercise in distant futures. He wants readers of ‘Death’s End’ to close the book carrying a specific discomfort: that the encounter it depicts could be imminent, and that nothing in contemporary life is adequately preparing humanity for what complete transformation would mean.
I would like people to realise what the greatest uncertainty facing humanity is... I hope they realise that there’s this one thing that may not happen for the next 10,000 years, or it may happen tomorrow morning. And that once it happens, our world and our lives will change completely.
He also wants readers, particularly Western ones, to resist filing the trilogy under ‘Chinese science fiction’ as a genre category that explains it. The scale he is working at is not national. In an Arte TRACKS interview, he described the genre’s basic premise in terms that apply directly to how ‘Death’s End’ positions its reader: not as a Chinese citizen, not as a member of any political bloc, but as a specimen of a species.
In science fiction, humanity often appears as a single unit. And the problems and tasks of human characters are mostly universal challenges. This means that Chinese, American, or German science fiction literature has far more commonalities than differences. [paraphrased from audio]
His optimism about humanity’s future is real but conditional on choices made before any cosmic event forces the question. ‘Death’s End’ is, among other things, a long argument that those choices are already in progress, whether or not anyone is paying attention.