Hayek’s text is a symposium lecture, followed by an oral supplement, on cultural evolution, social order, religion, and population. Its governing thesis is that reason is “overestimated” when it is treated as the source of civilization. For Hayek, civilization arose because inherited rules restrained instincts formed for small face-to-face bands.
Die angeborenen Instinkte des Menschen sind nicht für eine Gesellschaft geschaffen wie die, in der er heute lebt.
English translation: Man's innate instincts are not made for a society such as the one in which he lives today.
The lecture first contrasts the “micro-society” of intimate groups with the “macro-society” of extended cooperation. Solidarity and altruism remain vital within small associations, but they cannot organize a large society of strangers. The extended order depends instead on abstract rules—property, honesty, promise-keeping, truthfulness—whose effects no single mind can survey.
Hayek’s decisive move is to insert custom and tradition between instinct and reason. The section “Gewohnheiten, keine Einsichten” argues that humans did not understand their way into civilization; they learned practices that later made understanding possible.
Verhalten zu lernen ist nicht ein Ergebnis des Verstehens, sondern vielmehr dessen Quelle.
English translation: Learning how to behave is not a result of understanding, but rather its source.
This reverses the usual rationalist genealogy. Moral rules are neither biological reflexes nor deliberate inventions. They are transmitted habits selected because groups observing them survived, multiplied, and attracted outsiders. Hence Hayek rejects the simple opposition of “natural” and “artificial”: cultural orders are grown, but not innate; human, but not designed.
Die erste Alternative zu Instinkt ist nicht Vernunft, sondern Brauch und Tradition, die nicht Menschenwerk sind, sondern ein Erbe und das Ergebnis der Entwicklung.
English translation: The first alternative to instinct is not reason, but custom and tradition, which are not the work of man but an inheritance and the outcome of evolution.
The middle sections place this argument in an intellectual lineage running through Hume, Smith, Ferguson, and Menger. Hayek treats language, law, market, money, family, and morality as spontaneous orders. His account of cultural evolution is explicitly non-Darwinian in the narrow biological sense, because it works through the transmission of acquired rules; yet it remains selective.
Kulturelle Evolution beruht völlig auf Gruppenauswahl.
English translation: Cultural evolution rests entirely on group selection.
Against Hegelian, Marxian, and Comtean “laws of development,” Hayek insists that evolution has no predictable stages. Its outcomes are adaptations to unknown circumstances. The critique of socialism follows directly: constructivist politics imagines that society can be remade by conscious reason, while ignoring the evolved rules that make large-scale coordination possible.
Es hat die kulturelle Entwicklung das gebildet, was wir heute Vernunft nennen, und nicht die Vernunft die kulturelle Entwicklung gelenkt.
English translation: It is cultural evolution that has formed what we today call reason, and not reason that has guided cultural evolution.
The oral supplement extends the same logic to religion. Hayek, speaking as an agnostic, argues that religious belief preserved moral traditions before their social function could be understood. Religions succeeded, he claims, when their moral teaching protected family and private property; rival “religions,” including communism, failed where they attacked these foundations.
Trotzdem bin ich überzeugt, daß wir die Entwicklung der Kultur ausschließlich religiösem Glauben verdanken, ohne den es eine Kulturentwicklung nicht hätte geben können.
English translation: Nevertheless I am convinced that we owe the development of culture exclusively to religious belief, without which cultural development could not have occurred.
The final supplement turns against Malthusian fears of overpopulation. Hayek argues that population growth, when produced by rising productivity rather than artificial support, increases specialization and knowledge. Human labor is not a fixed homogeneous factor pressing on land; it differentiates as society grows.
Die menschliche Arbeit ist nicht ein Produktivfaktor, sondern eine große Vielheit von Produktionsfaktoren, deren Anzahl und Verschiedenheiten sich ständig vermehren, so wie sich die menschliche Rasse vermehrt.
English translation: Human labour is not a single factor of production but a great multiplicity of factors of production, whose number and diversity continually increase as the human race multiplies.
The lecture’s relevance lies in how tightly it connects Hayek’s knowledge problem, spontaneous order, market society, and critique of rationalism. Its most provocative claim is not merely that reason is limited, but that reason itself is an evolved sub-order within traditions it cannot fully justify. Civilization therefore depends on rules older and wider than conscious design.
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