"All knowledge that is not the real product……" — Jean-Baptiste Lamarck
"All knowledge that is not the real product of observation, or of consequences deduced from observation, is entirely groundless and illusory."
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Jean-Baptiste Lamarck
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18 Quotes by Jean-Baptiste Lamarck
Jean-Baptiste Lamarck has 18 quotes on this site.
A few more worth reading:
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After having produced aquatic animals of all ranks and having caused extensive variations in them by the different environments provided…
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In every animal which has not passed the limit of its development, a more frequent and continuous use of any…
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However, if we consider that all the characteristics which have been cited are only differences in degree of structure, may…
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One must believe that every living thing whatsoever must change insensibly in its organization and in its form... One must…
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All the acquisitions or losses wrought by nature on individuals, through the influence of the environment in which their race…
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The great age of the earth will appear greater to man when he understands the origin of living organisms and…
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It is not the organs-that is, the character and form of the animal's bodily parts-that have given rise to its…
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What nature does in the course of long periods we do every day when we suddenly change the environment in…
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A sound Physics of the Earth should include all the primary considerations of the earth's atmosphere, of the characteristics and…
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Life, in a body whose order and state of affairs can make it manifest, is assuredly, as I have said,…
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It is not enough to discover and prove a useful truth previously unknown, but that it is necessary also to…
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Now this circumscribed power, which we have scarcely examined, scarcely studied, this power to whose actions we nearly always attribute…
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More All Quotes
This quote is filed under All Quotes,
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Total loyalty is possible only when fidelity is emptied of all concrete content, from which changes of mind might naturally…
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No cause is left but the most ancient of all, the one, in fact, that from the beginning of our…
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The ultimate end of human acts is eudaimonia, happiness in the sense of living well, which all men desire; all…
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The new always happens against the overwhelming odds of statistical laws and their probability, which for all practical, everyday purposes…
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Where all are guilty, no one is; confessions of collective guilt are the best possible safeguard against the discovery of…
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We have almost succeeded in leveling all human activities to the common denominator of securing the necessities of life and…
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I keep my friends as misers do their treasure, because, of all the things granted us by wisdom, none is…
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We must all make peace so that we can all live in peace.
— Jean-Bertrand Aristide
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The spirit of Ubuntu, that once led Haiti to emerge as the first independent black nation in 1804, helped Venezuela,…
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As we all know, many people remain buried under tons of rubble and debris, waiting to be rescued. When we…
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Wise people, even though all laws were abolished, would still lead the same life.
— Aristophanes
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A friend to all is a friend to none.
— Aristotle
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