Think Better: An Innovator's Guide to Productive Thinking
“But the process of social change was not merely a matter of new inventions pressing on old institutions: it was a matter of new classes displacing old ones.”
Source: The Worldly Philosophers (1953), Chapter VI, Karl Marx, p. 137
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Robert L. Heilbroner 39
American historian and economist 1919–2005Related quotes

“A work-room should be like an old shoe; no matter how shabby, it's better than a new one.”
Book I, Ch. 4
The Professor's House (1925)

Capitalism and Socialism: A Theological Inquiry (American Enterprise Institute Press, 1979).
1970s

http://umich.edu/~scps/html/01chap/html/summary.htm
Attributed in posthumous publications, Einstein and Religion (1999)

The Fabric of the Cosmos : Space, Time, and the Texture of Reality (2004), p. 17
Context: Superstring theory starts off by proposing a new answer to an old question: what are the smallest, indivisible constituents of matter? For many decades, the conventional answer has been that matter is composed of particles... that can be modeled as dots that are indivisible and that have no size and no internal structure. Conventional theory claims, and experiments confirm, that these particles combine in various ways to produce protons, neutrons, and a wide variety of atoms and molecules... Superstring theory tells a different story.... it does claim that these particles are not dots. Instead... every particle is composed of a tiny filament of energy, some hundred billion billion times smaller than a single atomic nucleus, which is shaped like a string. And just as a violin string can vibrate in different patterns, each of which produces a different musical tone, the filaments of superstring theory can also vibrate in different patterns. But these vibrations... produce different particle properties.... All species of particles are unified in superstring theory since each arises from a different vibrational pattern executed by the same underlying entity.

Source: Introduction to The New Institutionalism and Organizational Analysis, 1991, p. 1

[Consolmagno, Guy, Mueller, Paul, https://www.google.com/books?id=lf5vDwAAQBAJ&pg=PA16, 9780804136952, Would You Baptize an Extraterrestrial?: And Other Questions from the Astronomers' In-Box at the Vatican Observatory, 16, 2014, Image]

1930s, Die verfluchten Hakenkreuzler. Etwas zum Nachdenken (1932)