According to Latour, we think we became modern by separating science from politics, facts from values, and nature from culture—but in reality we never actually did.

Below is a structured explanation of the key ideas.

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1. The “Modern Constitution”

Latour argues that modern societies operate under an implicit worldview he calls the “Modern Constitution.”

This worldview claims two things:

1. Nature and society are separate.

   • Nature: objective facts discovered by science.

   • Society: human values, politics, culture.

2. Science reveals pure natural facts independent of society.

Example:

• Climate, microbes, or atoms are treated as purely natural realities.

• Politics and culture are treated as purely social.

Latour says modernity defined itself by maintaining this division.

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2. But in Practice We Constantly Mix Nature and Society

Latour argues that the modern world actually produces hybrids—things that are both natural and social.

Examples:

• COVID-19 (or any epidemic): biology + politics + global travel + media.

• Climate Change: atmospheric chemistry + economics + policy + technology.

• A laboratory experiment: instruments, scientists, institutions, funding, and natural phenomena.

These hybrids combine:

• natural processes

• human decisions

• technologies

• institutions

Yet modern thinking pretends these mixtures don’t exist.

Latour calls this contradiction the “modern paradox.”

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3. Two Opposite Processes

Latour says modern societies perform two activities simultaneously:

1. Purification

Separating things into:

• Nature (science)

• Society (politics/culture)

Example:

• “Science tells us the facts.”

• “Politics decides values.”

2. Translation (or Hybridization)

Actually creating networks where humans and nonhumans interact.

Example:

• Scientists, machines, microbes, funding agencies, and laws all interact in research.

Latour says the modern world pretends purification exists while constantly producing hybrids.

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4. Actor-Network Theory (ANT)

The book builds toward ideas later developed in Actor-Network Theory.

Key principle:

• Both humans and nonhumans are actors in networks.

Examples of actors:

• scientists

• microbes

• computers

• laws

• laboratories

• instruments

A scientific fact emerges from the network of relationships among these actors.

So knowledge is not just “discovering nature,” but building stable networks that make facts credible.

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5. Critique of the “Modern vs Premodern” Story

Modern societies often believe:

• Premodern societies mix nature and culture (myths, spirits).

• Modern societies separate them (science vs politics).

Latour argues:

• Premodern societies openly recognize mixtures.

• Modern societies produce more mixtures but deny it.

Therefore:

We have never actually been modern.

Modernity is more like a story we tell ourselves.

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6. Latour’s Alternative: A “Nonmodern” View

Instead of pretending nature and society are separate, Latour proposes that we should:

• Recognize networks of humans and nonhumans

• Study how hybrids are produced

• Accept that science, politics, and technology are intertwined

This approach changes how we think about issues like:

• climate change

• biotechnology

• environmental policy

• technology regulation

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7. Why the Book Became Influential

The book reshaped debates in:

• Sociology of Science

• Anthropology

• Philosophy of Science

It challenged the idea that science is completely separate from society, without claiming that science is “just subjective.”

Instead, Latour argues:

• facts are real

• but they are produced through networks of humans and nonhumans.

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✅ In one sentence:
Latour’s argument in We Have Never Been Modern is that modern societies believe they separated nature from society, but in reality they constantly create hybrid networks that mix science, politics, technology, and culture.

Write a chapter-by-chapter explanation

Here is a clear chapter-by-chapter explanation of We Have Never Been Modern by Bruno Latour. The book is short but conceptually dense, so understanding the role of each chapter helps a lot.

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Chapter-by-Chapter Guide

1. Crisis

Latour opens with a famous example: the controversy around Ozone Depletion.

He notes that discussions about the ozone hole involve many different elements at once:

• atmospheric chemistry

• industrial chemicals

• scientific instruments

• government regulations

• economic interests

• media coverage

This immediately creates a puzzle.

Modern thinking says we should distinguish clearly between:

• Nature → objective scientific facts

• Society → politics, economics, culture

But the ozone issue cannot be separated this way. It is simultaneously:

• natural

• technological

• political

• economic.

Latour uses this example to show that modern problems are hybrids—mixtures of nature and society.

The “crisis” he identifies is that our intellectual framework cannot properly describe these mixtures.

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2. Constitution

This chapter introduces what Latour calls the Modern Constitution.

The Modern Constitution is an implicit worldview that structures modern society. It contains four main principles:

1. Nature is separate from society

Science studies nature objectively.

2. Society is separate from nature

Politics and culture belong only to humans.

3. Scientists represent nature

They speak on behalf of natural facts.

4. Politicians represent society

They speak on behalf of human interests.

This division gives modern societies a sense that they are different from earlier cultures.

But Latour argues this is an illusion. While modern societies claim to separate nature and society, they simultaneously produce countless hybrids that combine both.

So the constitution hides what actually happens.

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3. Networks

Here Latour introduces the core analytical tool that later becomes Actor-Network Theory.

Instead of separating nature and society, Latour proposes studying networks.

A network contains many kinds of actors:

• humans

• machines

• microbes

• laboratories

• institutions

• technologies

These actors interact to produce stable outcomes such as:

• scientific facts

• technologies

• social systems.

Example:

A scientific fact about a virus does not come only from the virus itself. It emerges from a network including:

• microscopes

• laboratory protocols

• funding institutions

• scientific journals

• researchers

• biological material.

In this view, knowledge is produced through relations within networks, not by pure observation of nature.

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4. Relativism

Latour now addresses a major criticism.

If science depends on networks, does that mean all knowledge is relative?

He says no.

Instead, Latour proposes what he calls “relationism.”

The strength of a fact depends on:

• how many actors support it

• how stable the network becomes

• how widely it can circulate.

For example, a scientific claim becomes strong when:

• experiments replicate it

• instruments measure it

• institutions support it

• other scientists cite it.

Facts are therefore real, but their stability comes from networks rather than from a pure separation of nature and society.

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5. Redistribution

In this chapter Latour argues we need to reorganize how we think about politics and science.

Modern thought assigns roles like this:

Domain	Representatives
Nature	Scientists
Society	Politicians

But because hybrids exist everywhere, this division no longer works.

Latour proposes recognizing that:

• nonhuman entities (viruses, climate systems, technologies) influence politics

• human institutions shape scientific knowledge.

He begins to suggest a new political framework where both humans and nonhumans are represented.

This idea later develops into his concept of a “Parliament of Things.”

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Conclusion

Latour concludes by explaining the book’s title:

We have never actually been modern.

Modernity claimed that it achieved a clean separation between:

• nature

• society

• science

• politics.

But in reality, modern societies have produced more hybrids than any previous civilization.

The difference is that we deny these mixtures, while other cultures openly acknowledge them.

Latour suggests we should move toward a “nonmodern” perspective that:

• recognizes networks of humans and nonhumans

• abandons the illusion of strict separation

• studies how hybrids are constructed.

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✅ Very short summary of the book’s argument

1. Modernity claims to separate nature and society.

2. In practice we constantly create hybrids that mix them.

3. Science and politics are produced through networks of humans and nonhumans.

4. Therefore the idea that we became “modern” is largely a myth.

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If you want, I can also explain two things that make the book much easier to grasp:

1. The difference between purification and translation (the core mechanism of modernity).

2. How Latour’s argument compares with thinkers like Michel Foucault, Thomas Kuhn, and Donna Haraway.