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All knowledge that is not the real product of observation, or of consequences deduced from observation, is entirely groundless and illusory.
Jean-Baptiste Lamarck
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Jean-Baptiste Lamarck
Age: 85 †
Born: 1744
Born: August 1
Died: 1829
Died: December 18
Academic
Biologist
Botanist
Chemist
Encyclopédistes
Malacologist
Meteorologist
Naturalist
Paleontologist
Science Writer
University Teacher
Jean-Baptiste Lamarck
Jean-Baptiste Pierre Antoine de Monet
Chevalier de Lamarck
Lamarck
Lam.
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Groundless
Knowledge
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Illusory
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More quotes by Jean-Baptiste Lamarck
The form follows the function.
Jean-Baptiste Lamarck
It is not enough to discover and prove a useful truth previously unknown, but that it is necessary also to be able to propagate it and get it recognized.
Jean-Baptiste Lamarck
All known living bodies are sharply divided into two special kingdoms, based upon the essential differences which distinguish animals from plants, and in spite of what has been said, I am convinced that these two kingdoms do not really merge into one another at any point.
Jean-Baptiste Lamarck
It is not the organs-that is, the character and form of the animal's bodily parts-that have given rise to its habits and particular structures. It is the habits and manner of life and the conditions in which its ancestors lived that have in the course of time fashioned its bodily form, its organs and qualities.
Jean-Baptiste Lamarck
What nature does in the course of long periods we do every day when we suddenly change the environment in which some species of living plant is situated.
Jean-Baptiste Lamarck
One must believe that every living thing whatsoever must change insensibly in its organization and in its form... One must therefore never expect to find among living species all those which are found in the fossil state, and yet one may not assume that any species has really been lost or rendered extinct.
Jean-Baptiste Lamarck
Now this circumscribed power, which we have scarcely examined, scarcely studied, this power to whose actions we nearly always attribute an intention and a goal, this power, finally, that always does necessarily the same things in the same circumstances and nevertheless does so many and such admirable ones, is what we call 'nature' .
Jean-Baptiste Lamarck