The Slave Revolt in Morality

The Quote

"The slave revolt in morality begins when ressentiment itself becomes creative and gives birth to values: the ressentiment of natures that are denied the true reaction, that of deeds, and recuperate themselves by means of imaginary revenge."

— Friedrich Nietzsche, On the Genealogy of Morality, First Essay, section 10

Original language: German

Historical Context

This passage comes from the First Essay of On the Genealogy of Morality (1887), Nietzsche's most sustained work of philosophical argument. The book comprises three connected essays, each pursuing a single genealogical question. The First Essay traces the origins of the moral opposition between "good" and "evil," arguing that this opposition is not a timeless discovery of reason but a product of a particular historical and psychological process.

Nietzsche distinguishes between an earlier valuation — "good and bad" — that began from the self-affirmation of the noble, and a later valuation — "good and evil" — that arose from the experience of the powerless. The earlier nobles called good what they recognized in themselves (strength, pride, health, beauty) and bad what was unlike this. The slave revolt in morality inverts this valuation: what the noble called good becomes evil, and what the noble called bad becomes good. Section 10 identifies the psychological mechanism behind this inversion: ressentiment.

Meaning

Ressentiment is a French word that Nietzsche uses as a technical term. It names not ordinary resentment but a specific psychological condition: the reactive bitterness of those who cannot act on their hostility directly and who therefore recuperate themselves through imaginary revenge. The key claim is that ressentiment is not merely a feeling — it "becomes creative and gives birth to values." The slave revolt begins when this reactive emotion generates an entire moral framework, one that redescribes weakness as goodness and strength as evil.

The phrase "denied the true reaction, that of deeds" is crucial. The nobles, when threatened or wronged, react with action — they fight, they dominate, they discharge their aggression outwardly and are done with it. The slaves, unable to act, cannot discharge their hostility in deeds. Instead, they turn inward, and the hostility ferments into a moral vision that reinterprets the world. This reinterpretation is the "imaginary revenge": a creative act that produces new values by inverting the old ones.

Philosophical Interpretation

The concept of ressentiment is one of Nietzsche's most influential and most contested contributions. It has been taken up by Max Scheler, by the Frankfurt School, and by a wide range of thinkers concerned with the psychology of moral judgment. The concept asks whether moral evaluations that present themselves as disinterested may in fact be driven by psychological needs — the need to vindicate one's condition, to condemn what one cannot attain, to transform impotence into virtue.

Nietzsche's point is not simply that slave morality is bad and master morality is good. The master and slave types are ideal types, not historical descriptions of actual groups, and Nietzsche's argument turns on the structure of valuation rather than on a claim about specific peoples or periods. The philosophical contribution is the insight that values have histories and that those histories matter for assessing what the values actually do. A value that arose from ressentiment may have become genuinely useful, but understanding its origin allows a more honest assessment of its function.

The passage also raises questions about the relationship between morality and power. Nietzsche does not deny that the values of compassion, humility, and equality can serve genuine human goods. His concern is that these values, detached from the religious framework that gave them meaning, may have become instruments of conformity and mediocrity. The genealogical investigation asks whether the values we inherit truly serve human flourishing or whether they perpetuate a psychology of reaction that diminishes the very lives they claim to protect.

Related Concepts

• Morality: The passage argues that moral values have genealogies — histories of formation that reveal their psychological and social origins.
• Ethics: Nietzsche's genealogy challenges ethical theories that treat moral concepts as timeless, asking instead what needs and interests they serve.

Related Learning

• Explore the On the Genealogy of Morality archive entry for the full argument across all three essays.
• The Existentialism page situates Nietzsche's genealogical method within the wider tradition.

Sources

1. Friedrich Nietzsche. On the Genealogy of Morality. Translated by Walter Kaufmann and R. J. Hollingdale. New York: Vintage, 1967. First Essay, section 10.
2. "Friedrich Nietzsche." Stanford Encyclopedia of Philosophy. https://plato.stanford.edu/entries/nietzsche/
3. "Nietzsche's Moral and Political Philosophy." Stanford Encyclopedia of Philosophy. https://plato.stanford.edu/entries/nietzsche-moral-political/