Karl Popper Quotes

A collection of quotes by Karl Popper.

Karl Popper (1902-1994) was an influential philosopher of science and one of the most significant intellectuals of the 20th century. Born in Austria, he made substantial contributions to various fields, including philosophy, social and political theory, and the philosophy of science.

Popper is best known for his theory of science known as "falsificationism" or "critical rationalism." He argued that scientific knowledge is not based on verification or confirmation but on the continuous attempt to falsify or refute theories through rigorous testing. According to Popper, a scientific theory must be open to refutation and capable of making risky predictions to be considered scientific.

In addition to his work on the philosophy of science, Popper also made important contributions to political philosophy and social theory. He criticized totalitarian ideologies, arguing for the importance of open societies that encourage critical thinking, individual rights, and democratic institutions. His defense of liberalism and critique of historicism, determinism, and utopianism have greatly influenced political thought.

Throughout his career, Popper authored numerous influential works, including "The Logic of Scientific Discovery," "The Open Society and Its Enemies," and "Conjectures and Refutations." His ideas continue to shape debates in various fields, attracting both support and criticism. Karl Popper remains widely regarded as one of the most influential philosophers of science and a prominent advocate for critical thinking and the advancement of open societies.