Source: 1950s, The development of operations research as a science, 1956, p. 265, the lead paragraph ; Cited in: Joe Kelly (1969) Organizational behaviour. p. 26.
“Science should be distinguished from technique and its scientific instrumentation, technology. Science is practised by scientists, and techniques by ‘engineers’ — a term that in our terminology includes physicians, lawyers, and teachers. If for the scientist knowledge and cognition are primary, it is action and construction that characterises the work of the engineer, though in fact his activity may be based on science. In history, technique often preceded science.”
Hans Freudenthal (1978). Weeding and Sowing. Preface to a Science of Mathematical Education; As cited in: Ben Wilbrink (2013) " Hans Freudenthal Aantekeningen bij zijn publicaties http://www.benwilbrink.nl/literature/freudenthal.htm".
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Hans Freudenthal 27
Dutch mathematician 1905–1990Related quotes
“Now, very few [physicians] are men of science in any very serious sense; they're men of technique.”
                                        
                                        "You Should Face Up to Your Death, Says Author". 
Conversations with Robertson Davies (1989)
                                    
Bauer (1971) "Software Engineering." Information Processing: Proceedings of the IFIP Congress 1971, Ljubljana, Yugoslavia, August 23-28, 1971.
“Science has no prejudices — though scientists often do.”
                                        
                                        Energy and vibration: energy, sound, heat, light, explosives (1900); Fords, Howard & Hulbert, p. 201 
Nature's Miracles (1900) 
Context: Science has no prejudices — though scientists often do. Science is like figures: they do not lie themselves, but the men who figure are often the greatest liars in the world.
                                    
Source: Realistic models in probability (1968), p. 1
“In science as in love a concentration on technique is quite likely to lead to impotence.”
Source: Invitation to Sociology (1963), Chapter 1
“Educational technique needs a philosophy, which is a matter of faith rather than of science.”
Hans Freudenthal (1977) Weeding and Sowing: Preface to a Science of Mathematical Education. p. 33
Source: A Treatise on the Seven Rays: Volume 4: Esoteric Healing (1953), Vaccines, p. 322/4