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Home > Dictionary of Science Quotations > Scientist Names Index L > Carl Friedrich Wilhelm Ludwig Quotes

Thumbnail of Carl Friedrich Wilhelm Ludwig (source)
Carl Friedrich Wilhelm Ludwig
(29 Dec 1816 - 23 Apr 1895)

German physiologist and biochemist.


Science Quotes by Carl Friedrich Wilhelm Ludwig (2 quotes)

For the first time there was constructed with this machine [locomotive engine] a self-acting mechanism in which the interplay of forces took shape transparently enough to discern the connection between the heat generated and the motion produced. The great puzzle of the vital force was also immediately solved for the physiologist in that it became evident that it is more than a mere poetic comparison when one conceives of the coal as the food of the locomotive and the combustion as the basis for its life.
— Carl Friedrich Wilhelm Ludwig
'Leid und Freude in der Naturforschung', Die Gartenlaube (1870), 359. Trans. Kenneth L. Caneva, Robert Mayer and the Conservation of Energy (1993), 145.
Science quotes on:  |  Basis (180)  |  Coal (64)  |  Combustion (22)  |  Comparison (108)  |  Conceive (100)  |  Connection (171)  |  Construct (129)  |  Discern (35)  |  Engine (99)  |  Enough (341)  |  Evident (92)  |  First (1302)  |  Food (213)  |  Force (497)  |  Great (1610)  |  Heat (180)  |  Immediately (115)  |  Life (1870)  |  Locomotive (8)  |  Machine (271)  |  Mechanism (102)  |  More (2558)  |  Motion (320)  |  Physiologist (31)  |  Produced (187)  |  Puzzle (46)  |  Self (268)  |  Time (1911)  |  Vital (89)  |  Vital Force (7)

Scientific physiology has the task of determining the functions of the animal body and deriving them as a necessary consequence from its elementary conditions.
— Carl Friedrich Wilhelm Ludwig
Lehrbuch der Physiologie des Menschens (1852), Vol 1, 1. Trans. Paul F. Cranefield, 'The Organic Physics of 1847 and the Biophysics of Today', Journal of the History of Medicine and Allied Sciences (1957), 12, 410.
Science quotes on:  |  Animal (651)  |  Body (557)  |  Condition (362)  |  Consequence (220)  |  Elementary (98)  |  Function (235)  |  Necessary (370)  |  Physiology (101)  |  Scientific (955)  |  Task (152)



Quotes by others about Carl Friedrich Wilhelm Ludwig (1)

That ability to impart knowledge … what does it consist of? … a deep belief in the interest and importance of the thing taught, a concern about it amounting to a sort of passion. A man who knows a subject thoroughly, a man so soaked in it that he eats it, sleeps it and dreams it—this man can always teach it with success, no matter how little he knows of technical pedagogy. That is because there is enthusiasm in him, and because enthusiasm is almost as contagious as fear or the barber’s itch. An enthusiast is willing to go to any trouble to impart the glad news bubbling within him. He thinks that it is important and valuable for to know; given the slightest glow of interest in a pupil to start with, he will fan that glow to a flame. No hollow formalism cripples him and slows him down. He drags his best pupils along as fast as they can go, and he is so full of the thing that he never tires of expounding its elements to the dullest.
This passion, so unordered and yet so potent, explains the capacity for teaching that one frequently observes in scientific men of high attainments in their specialties—for example, Huxley, Ostwald, Karl Ludwig, Virchow, Billroth, Jowett, William G. Sumner, Halsted and Osler—men who knew nothing whatever about the so-called science of pedagogy, and would have derided its alleged principles if they had heard them stated.
In Prejudices: third series (1922), 241-2.
For a longer excerpt, see H.L. Mencken on Teaching, Enthusiasm and Pedagogy.
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See also:
  • 29 Dec - short biography, births, deaths and events on date of Ludwig's birth.

Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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