The quotations of

Karl Popper

Austrian-British philosopher of science and social and política e falsificationism and for criticism of Plato, Hegel and Marx as totalitarian opponents of open society

1902–1994

18 quotes, most often on Science, Freedom and Thinking.

The game of science is, in principle, without end. He who decides one day that scientific statements do not call for any further test, and that they can be regarded as finally verified, retires from the game.
The Logic of Scientific Discovery (1934), Ch. 2 “On the Problem of a Theory of Scientific Method”, Section 11: Methodological Rules as Conventions, p. 32.
- Science
Scientists try to eliminate their false theories, they try to let them die in their stead. The believer⁠—whether animal or man⁠—perishes with his false beliefs.
Epistemology Without A Knowing Subject (1967)
- Science
If we are uncritical we shall always find what we want: we shall look for, and find, confirmations, and we shall look away from, and not see, whatever might be dangerous to our pet theories.
The Poverty of Historicism (1957) Ch. 29 The Unity of Method
- Science
- Thinking
Science must begin with myths, and with the criticism of myths.
Conjectures and Refutations: The Growth of Scientific Knowledge (1963), Ch. 1 “Science: Conjectures and Refutations”, Section VII
- Science
Science may be described as the art of systematic over-simplification — the art of discerning what we may with advantage omit.
The Open Universe: An Argument for Indeterminism (1992), p. 44
- Science

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