“Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology. (All that technology may say about ends is whether they are compatible with each other or realizable.)”
The Poverty of Historicism (1957) Ch. 22 The Unholy Alliance with Utopianism
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Karl Popper 82
Austrian-British philosopher of science 1902–1994Related quotes

BBC interview http://www.bbc.co.uk/films/2002/11/20/john_cleese_die_another_day_interview.shtml on Die Another Day (20 November 2002)]
Source: "Some Social and Psychological Consequences of the Long Wall Method of Coal-Getting", 1951, p. 5

Industrialism and Cultural Values p. 140.
The Bias of Communication (1951)

“Architecture begins where engineering ends.”
In Architects on Architecture, Speech, Harvard Department of Architecture (Paul Heyer (ed.))

https://www.globalcitizen.org/en/content/15-quotes-from-chimamanda-adichie-that-have-change/
On Gender

Five Essays on Liberty (2002), Two Concepts of Liberty (1958)
Context: If, as I believe, the ends of men are many, and not all of them are in principle compatible with each other, then the possibility of conflict — and of tragedy — can never wholly be eliminated from human life, either personal or social. The necessity of choosing between absolute claims is then an inescapable characteristic of the human condition. This gives its value to freedom as Acton conceived of it — as an end in itself, and not as a temporary need, arising out of our confused notions and irrational and disordered lives, a predicament which a panacea could one day put right.

Out of Control: The New Biology of Machines, Social Systems and the Economic World (1995), New Rules for the New Economy: 10 Radical Strategies for a Connected World (1999)