"It is not always the magnitude of the……" — Jean-Baptiste Lamarck
"It is not always the magnitude of the differences observed between species that must determine specific distinctions, but the constant preservation of those differences in reproduction."
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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 Constant Quotes
This quote is filed under Constant Quotes,
one of 1,855 quotes in that category. Here are a few more:
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Art is man's constant effort to create for himself a different order of reality from that which is given to…
— Chinua Achebe
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Let it be your constant method to look into the design of people's actions, and see what they would be…
— Marcus Aurelius
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I live in constant fear of being fired or dropped for that dark part of my work I can't control.
— Lynda Barry
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The tears of the world are a constant quality. For each one who begins to weep, somewhere else another stops.…
— Samuel Beckett
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The Mind that lies fallow but a single Day, sprouts up in Follies that are only to be killed by…
— Joseph Addison
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To a contrarian like me, constant advice not to do something almost always starts me quickly down the risky, unpopular…
— Michael Bloomberg
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People are no longer primarily in opposition, nor can they be said to be interacting, rather they are participating in…
— David Bohm
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The battlefield is a scene of constant chaos. The winner will be the one who controls that chaos, both his…
— Napoleon Bonaparte
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I'm in a constant process of thinking about things.
— Richard Brautigan
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Marriages, like careers, need constant nurturing... the secret of having it all is loving it all.
— Joyce Brothers
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That's gotta be the one remaining constant - jeans have gotta be tight, baby.
— Luke Bryan
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For centuries the death penalty, often accompanied by barbarous refinements, has been trying to hold crime in check; yet crime…
— Albert Camus
See all 1,855 Constant Quotes »