Book SummaryThe Lessons of History, by Will Durant and Ariel Durant

1-Page Summary1-Page Book Summary of The Lessons of History

What can you learn from 5,000 years of history? Are we in truly novel times, or do we face the same problems that the Romans and Egyptians faced 2,000 years ago?

Will and Ariel Durant, Pulitzer Prize-winning historians, are famed for writing The Story of Civilization, a massive 9,766-page, 11-volume treatise of the entirety of Western history. They compiled the most important recurring patterns in this book, The Lessons of History, published in 1968. Ray Dalio, founder of the world’s largest hedge fund Bridgewater, considers this one of his three must-read books.

Our guide traces how enduring forces shape the rise, development, and decline of civilizations. We’ll explore the following forces in particular: the Earth, biology, race, character, morals, religion, economics, socialism, government, and war. We’ll conclude with the authors’ thoughts on whether humanity is actually making progress.

History and the Earth

Geography is the physical structure that holds history. Civilization typically develops along waterways like rivers, lakes, and oceans to provide life and offer inexpensive routes of transport and trade. Some examples of such civilizations are Egypt and the Nile, India and the Ganges, and Italy and the Tiber/Arno/Po.

Geography shapes the opportunities available to societies, but its influence changes with technological advancement—airplanes neutralize some advantages of waterways, allowing inland countries like Russia, China, and Brazil to develop.

Although outside forces like climate no longer control humans, they still limit us. For example, an earthquake can destroy a city that took two centuries to build. Ultimately, despite the limits set by geography, humans make civilizations by transforming possibilities into fact.

Biology and History

The laws of biology reflect the lessons of history. Like all other animals, humans are subject to evolution and the struggle for survival. If some people seem to supersede biology and are no longer subject to the trials of survival, it’s because they’re protected by a group—but the group itself is shaped by the same biological forces. The Durants examine three principles of life that govern how individuals and groups compete, adapt, and endure.

1) Competition: Animals compete for survival, and humans continue this competition through the institutions and laws of civilization. Although cooperation helps groups thrive, it serves mainly to strengthen their ability to compete with other groups whether it’s families, churches, political parties, or nations. In this sense, societies are individuals multiplied on a massive scale—war, for example, is like one animal eating another, played out on a national scale.

2) Selection: Biological variation means that some organisms are better equipped to survive and reproduce than others. The Durants extend this principle to human societies, arguing that individual differences in ability can produce unequal outcomes and influence how groups compete. As civilization becomes more complex, technology and social institutions can magnify these differences, shaping the distribution of wealth, power, and opportunity.

3) Reproduction: Reproduction allows organisms to perpetuate themselves, and differences in birth rates can shape the growth and survival of populations. The Durants extend this principle to human societies, arguing that groups with higher birth rates can expand their economic and political influence relative to groups with lower birth rates. However, population growth can also strain available resources. Nature has three agents for restoring the balance of overpopulation: famine, pestilence, and war.

Race and History

The Durants challenge the idea that Western civilization’s achievements reflect the inherent superiority of the white race—for instance, French elitist Arthur de Gobineau argued that environmental advantages can’t explain the rise of civilization, and he believed in a superior Aryan race. The Durants argue that civilization develops through a combination of geographic opportunity, economic and political conditions, and cultural exchange. Rather than race determining civilization, civilization shapes the people who participate in it.

Character and History

Humans are born with different abilities, and so inequality among humans is a natural consequence. The Durants argue that civilization magnifies these inequalities, as strong individuals seize new inventions and resources to strengthen their position, potentially widening the gap between the powerful and the disadvantaged. They also contend that freedom and equality are fundamentally opposed: If people are given freedom, their differences in natural ability will achieve different results. By contrast, enforcing equal abilities and outcomes would restrict individual freedoms. The Durants suggest that rather than imposing complete equality, a free society should aim for approximate equality in legal justice and educational opportunity.

Social and Cultural Changes

Human development occurs primarily through social and cultural evolution, rather than biological evolution, which unfolds over much longer timescales. Through imitation, custom, and education, each generation inherits and passes on behaviors and values, allowing societies to change without fundamentally altering human nature.

Culture and established institutions provide stability, preserving practices that have endured through experimentation over centuries. The Durants see social progress as a balance between the imitative majority, which preserves...

The Lessons of History Summary 1: History and the Earth

Geography is the physical structure that holds history.

Civilization habitually develops along waterways - rivers, lakes, oceans - to provide life and offering inexpensive routes of transport and trade.

• Egypt and Nile, India and Ganges, Italy and the Tiber/Arno/Po,...

The Lessons of History Summary 2: Biology and History

The laws of biology are the lessons of history. As animals, we are subject to the same forces as all other living beings - the trials of evolution, the struggle for survival and existence.

All the history and achievements of humans are humbly just a part of the history of life.

If some people seem to supersede biology and are no longer subject to the trials of survival, it’s because they’re protected by their group; the group itself must endure and survive, like individual organisms. (Shortform example: within a society, the wealthy may have a privileged position that places them above the normal struggles of day-to-day survival. But if the society they belong to crumbles, as in a war, the position of the privileged itself crumbles.)

Life has three forces that determine the behavior.

1: Life is Competition

Animals compete to survive. In nature, animals eat one another without a second thought. In civilization, humans consume each other by due process of law.

Cooperation is real, but serves mainly to enhance competition with other groups (whether it’s our family, church, political party, race, or nation).

Our societies are individuals multiplied to a massive scale....

The Lessons of History Summary 3: Race and History

Western history has been biased toward the success of the white man.

• 1800s French elitist Gobineau believed that a civilization’s success depended on the quality of the race.
  • He stressed that environmental advantages cannot explain the rise of civilization, since similar soil-fertilizing rivers that watered Egypt produced no civilization in North America.
  • He saw degeneration of civilization when intermarriage with the conquered race.
  • He also believed in a superior Aryan race.
• American Madison Grant confined achievements to a branch of Aryans he called “Nordics” - Scandinavians, Baltic Germans, Anglo-Saxon Americans
  • He believed these...

The Lessons of History Summary 4: Character and History

Man’s character sets the character of groups and nations.

Human nature includes both positive and negative, balancing action vs inaction; fight vs flight; acquisition vs avoidance; association vs privacy; mating vs refusal; parental care vs filial dependence.

Has human nature changed? The historian authors say no - history shows that humans have conducted themselves the same way, time and time again, throughout thousands of years. The means of exercising human nature have changed; the motives remain the same.

Social and Cultural Changes

If people have developed, over time, it has been social and cultural evolution rather than biological (which acts on a much longer timescale). Social behavior and culture are transmitted to the next generation by imitation,...

The Lessons of History Summary 5: Morals and History

Morals are the rules by which a society exhorts its members to behave.

Moral codes look superficially different between societies and across history, but they are quite universal and necessary.

How Morals Change

Morals change with the times and economic engine, from hunting to agriculture to industry. The morals reflect what is needed for the individual to survive in the society, and for the society to survive in the greater world.

Morals in the Hunting Era

• Anything that promoted survival was paramount, including fighting and killing.
• Gluttony during the rare feast allowed storage of energy for scarcer times.
• Continuous reproduction was important to make up for high death rates.
• Many men may die on the hunt, and so some men took multiple women, and every man was expected to help women to frequent pregnancy.
• Loyalty to the tribe and wariness of outsiders promoted tribe survival.
• These base, almost primitive instincts may persist to today and appear as human vices.

Morals in the Agriculture Era

• The means of survival shifted, and so the morals shifted. Hard work became more vital than bravery. Regularity was valued above violence,...

The Lessons of History Summary 6: Religion and History

Even the agnostic historian has to acknowledge that religion has functioned and been seemingly indispensable in every land and age. The authors note that our society is exceptional in history for maintaining moral conduct without the ubiquitous force of religion. Before our time, there is no significant example of a stable society without religion.

Religion has enabled stability by elevating agreements between humans to rigid promises to God.

Religion has provided hope for billions of people - even the unhappy, the suffering, the bereaved, the old enjoy “supernatural comforts” more soothing than any material benefit.

Said Napoleon, religion kept the poor from murdering the rich. For many, hope and faith may be the only thing preventing despair. Destroy that hope, and you risk triggering class war.

Mankind seems to desire a religion rich in mythology, mystery, and miracle.

The Rise and Fall of Religion

In the earliest formation of religion, gods seem to have been created to explain natural events (earth, water, winds, sky), without a clear moral purpose. Spurred by fear of the vagaries of the natural world, religion became the worship of natural forces.

Gradually,...

The Lessons of History Summary 7: Economics and History

Much of history can be interpreted sensibly through the economics lens, as a contest among individuals, groups, and states vying for resources and economic power.

• Consider that it was economic ambition that launched a thousand ships, not Helen’s face.
• The Crusades were attempts to capture trade routes to the East. In turn, America was discovered as a result of the failure of the Crusades.

Not all activities are primarily economically motivated - like the teachings of Buddha or the nationalistic fervor of Hitler’s troops. The motives of leaders may be economic, but the passions of the masses may not be.

• But in some cases, military might may cause rather than result from economic operations, like the Bolshevik revolution, or army coups in South American history, or the Mongol conquest of Asia.

Money is vital in shaping the direction of history. “The men who can manage men manage the men who can manage only things, and the men who can manage money manage all.”

• In history, the bankers rise to lead the economic...

The Lessons of History Summary 8: Socialism and History

Nothing instills the spirit of competition and inventiveness and exhaustive labor like capitalism and self-interest do.

Yet elements of socialism have recurred throughout history. These include state control of commerce, wide government employment, price controls, welfare, progressive taxation, redistribution of wealth, and large public works to reduce unemployment.

• Examples include Sumeria in 2100BC; Egypt under the Ptolemies (300BC); Rome under Diocletian (301AD); China in 140BC and in 1068 (Wang An-shih); the Incas until the...

The Lessons of History Summary 9: Government and History

Durant believes that the first requirement of freedom is its own limitation - absolute freedom would cause chaos,and the extinction of freedom itself. For the sake of stability, order needs to be established, and that is the role of an organized central government.

The Natural Progression of Government

In his idea of “five regimes,” Plato saw a natural progression of government from monarchy to aristocracy to democracy to tyranny:

• Monarchy is possibly the most natural form of government, descending from the father of the family or the chieftain of a tribe from earlier human societies. However since succession is often hereditary, leaders become prone to incompetence, laziness, and excess. A saner alternative is more distributed responsibility, like:
• Aristocracy, where the elite hold power and train their offspring to rise to governance. This provides meaningful stability in morals and culture. But like monarchy, aristocracy is prone to corruption and hedonism. Hence the masses (stirred partly by rich, non-aristocratic merchants who feel constrained) overthrow the aristocracy, leading to:
• Democracy, with greater individual liberty than all the other...

The Lessons of History Summary 10: History and War

War is a constant in history, there being only 268 years of no war in 3421 years of history.

War occurs for the same reason individuals fight - to compete for more resources and power, for pride, and to survive under threat. Peace is accomplished only through acknowledged supremacy or equal power.

• “The Ten Commandments must be silent when self-preservation is at stake.”

The state inherits the will of the individual, without the individual’s normal boundaries. The individual is constrained by morals and laws, because the state guarantees him basic protection in exchange for his submission. But the state is unfettered, either because it is strong enough to defy interference with its will, or because there is no superstate to offer it protection.

Nationalism gives added force in diplomacy and war.

• Improving communication and means of indoctrination made nationalism far more effective and pervasive than centuries past,...

The Lessons of History Summary 11: Growth and Decay

The authors define civilization as “social order promoting cultural development.” Social order is granted by political order of custom, laws, and morals, and economic order through production and trade.

Looking back at history, all civilizations have ended. What are the patterns of civilization’s growth and decay?

In general, the pattern is one of coherent construction, then of individualistic deconstruction.

• Civilizations often begin as a conquest of one group by another, and the spreading of the victor’s modus operandi.
• Growth occurs as a result of taking advantage of a physical boon (land, water); directing people to productive work; to internal tension between the rulers and the ruled; of meeting external challenges (human or natural) and...

The Lessons of History Summary 12: Is Progress Real?

If history repeats itself endlessly, then is humanity actually making progress?

It depends on how you define progress.

• Cultural: Is Shakespeare better than Aeschylus? Nietzsche over Confucius?
• Religion: As we become more secular, have we developed a natural ethic strong enough to keep us from our baser instincts? Or will chaos and confusion prod us back to the order of religion?

The authors have no strong conclusion. History has so many examples and counterexamples that almost any conclusion can be drawn, depending on what lens you look through.

If progress is defined as humanity’s control over the environment, there is certainly progress.

• Quality of life for the average person is...

Shortform Exercise: Reflect on History

Place your understanding of today into context.

What’s an issue you thought was unique to our time, but now realize has happened throughout history?