Karl Popper Books
Karl Popper (1902–1994) was an Austrian-British philosopher renowned for his contributions to the philosophy of science and political theory. He is best known for his concept of falsifiability and his defense of the open society, which have profoundly influenced scientific and philosophical thought in the twentieth century.
Known for: The Logic of Scientific Discovery, The Open Society and Its Enemies: The Spell of Plato; The High Tide of Prophecy: Hegel, Marx, and the Aftermath, The Poverty of Historicism
Books by Karl Popper

The Logic of Scientific Discovery
The Logic of Scientific Discovery is Karl Popper’s groundbreaking work on the philosophy of science. Originally published in German as Logik der Forschung in 1935, this English edition presents Popper...

The Open Society and Its Enemies: The Spell of Plato; The High Tide of Prophecy: Hegel, Marx, and the Aftermath
The Open Society and Its Enemies is a seminal work of political philosophy by Karl Popper, first published in 1945 in London by George Routledge & Sons. In this two-volume study, Popper defends libera...

The Poverty of Historicism
In this influential work, philosopher Karl Popper critiques the idea that history unfolds according to predetermined laws or inevitable patterns. He argues that historicism—the belief that historical ...
Key Insights from Karl Popper
Theories and Hypotheses
Much confusion in the philosophy of science arises from a failure to distinguish clearly between empirical statements and theoretical systems. In everyday life, we often treat observation as the foundation upon which theory is built, as if facts precede principles. But scientific discovery rarely fo...
From The Logic of Scientific Discovery
The Criterion of Demarcation
The pivotal question of this book is: what separates science from non-science? Many have tried to find this demarcation in verification — whether a statement can be supported by observation. But verification proves too permissive. Almost any statement can be supported by selective evidence. Even ast...
From The Logic of Scientific Discovery
Historical Background
Human civilization, as I see it, has passed from tribal cohesion to critical individuality. The earliest societies were closed: the group absorbed the person, custom ruled all, and mythical authority dictated moral law. There was comfort in belonging, yet no room for doubt. The transition to an open...
From The Open Society and Its Enemies: The Spell of Plato; The High Tide of Prophecy: Hegel, Marx, and the Aftermath
The Spell of Plato – Overview
When examining Plato, I do so not to diminish his immense intellectual genius but to unmask the dangers his political vision conceals. His philosophical system, especially in *The Republic*, envisions a perfectly ordered society ruled by a philosopher-king who possesses absolute knowledge of justice...
From The Open Society and Its Enemies: The Spell of Plato; The High Tide of Prophecy: Hegel, Marx, and the Aftermath
The Methodological Problem
The first step toward dismantling historicism lies in clarifying its confusion between the methods of the natural sciences and those appropriate to the social sciences. Natural phenomena unfold according to physical laws that are invariant and general; we can repeat experiments and verify results. S...
From The Poverty of Historicism
The Poverty of Prophecy
Having exposed the methodological confusions of historicism, I turn to what might be called its central temptation: the prophetic impulse. Historicists claim not only that history follows laws but that these laws enable them to predict future events. Marxism, with its confident pronouncements about ...
From The Poverty of Historicism
About Karl Popper
Karl Popper (1902–1994) was an Austrian-British philosopher renowned for his contributions to the philosophy of science and political theory. He is best known for his concept of falsifiability and his defense of the open society, which have profoundly influenced scientific and philosophical thought ...
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Karl Popper (1902–1994) was an Austrian-British philosopher renowned for his contributions to the philosophy of science and political theory. He is best known for his concept of falsifiability and his defense of the open society, which have profoundly influenced scientific and philosophical thought ...
Karl Popper (1902–1994) was an Austrian-British philosopher renowned for his contributions to the philosophy of science and political theory. He is best known for his concept of falsifiability and his defense of the open society, which have profoundly influenced scientific and philosophical thought in the twentieth century.
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Karl Popper (1902–1994) was an Austrian-British philosopher renowned for his contributions to the philosophy of science and political theory. He is best known for his concept of falsifiability and his defense of the open society, which have profoundly influenced scientific and philosophical thought in the twentieth century.
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