Antoine Lavoisier Quotes

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We think only through the medium of words. Languages ​​are true analytical methods. Algebra, which adapts to its purpose in all species of expressions, in the simplest, most accurate and best possible way, is at the same time a language and an analytical method. The art of reasoning is nothing more than a well-organized language.

I’ve had a fairly long life, especially a very happy one, and I think they’ll remember me with some regrets and maybe I’ll leave some reputation behind me. What more could ask? The events in which I am involved will probably save me from the problems of old age. I will die in full possession of my faculties, and that is another advantage I should have among those I have enjoyed. If I have some distressing thought, it is of not having done more for my family; to be unable to give them or you any sign of my affection and my gratitude is to be truly poor.

Mathematicians come to the solution of a problem by simply disposing of the data, and reducing the reasoning to such simple operations, to judgments so brief, that they never lose sight of the evidence that serves as a guide.
Antoine Lavoisier Quotes
The art of drawing conclusions from experiments and observations consists in evaluating the probabilities and in estimating if they are large enough or numerous enough to constitute evidence. This type of calculation is more complicated and more difficult than is commonly believed. . . .

It is impossible to decouple the language of science … To invoke a concept, you need a word.

Sulfur, when burned, absorbs gaseous oxygen; the resulting acid is considerably heavier than the sulfur burned; its weight is equal to the sum of the weights of the sulfur burned and the oxygen absorbed.

When conducting experiments, it is necessary … to simplify as much as possible, and that all circumstances that may complicate the results are completely eliminated.

It required 85 parts by weight of oxygen and 15 parts of hydrogen to make up 100 parts of water.

The experiments with the vegetation give reasons to believe that the light is combined with certain parts of the vegetables, and that the green of its leaves and the different colors of the flowers are mainly due to this combination.

Therefore, although I believed myself employed only to form a nomenclature, and although I proposed nothing more than to improve the chemical language, my work was gradually transformed, without being able to avoid it, in a treatise on the Elements of Chemistry.

I believe that nature is a vast chemical laboratory in which all kinds of compositions and decompositions are formed.
Antoine Lavoisier Quotes
Languages ​​are true analytical methods.

Vegetation is the basic instrument that the creator uses to set the whole of nature in motion.

We should not trust more than facts: these are presented by nature and can not deceive. We must, in each case, submit our reasoning to the test of the experiment, and never look for the truth except by the natural path of experiment and observation.

It took only an instant to cut that head, but it is unlikely that one hundred years will be enough to reproduce a singular one.

It is almost possible to predict one or two days in advance, within a fairly wide range of probability, what the climate will be; It is even thought that it will not be impossible to publish daily forecasts, which would be very useful for soci.

One manages to obtain equivalent production at a lower price by improving the arts, commerce and agriculture, and developing the physical and moral qualities of workers, farmers and artisans.

A rich landowner can not cultivate and improve his farm without spreading comfort and well-being around him. Abundant and abundant crops, a large population and a prosperous countryside are the rewards for their efforts.

We can establish it as an incontestable axiom, that, in all the operations of art and nature, nothing is created; an equal amount of matter exists both before and after the experiment; the quality and quantity of the elements remain exactly the same; and nothing takes place beyond the changes and modifications in the combination of these elements.
Antoine Lavoisier Quotes
While I thought that I only dedicated myself to forming a nomenclature, and although I did not intend more than to improve the chemical language, my work was gradually transformed, without being able to prevent it, in a treatise on the Elements of Chemistry.

Diminish the mass of evils that afflict the human species, increase enjoyment and well-being. And even if the new open routes could prolong the average life of humanity in just a few hours, or even a few days, then the scientist could also aspire.

Since it is the very substance of the animal, it is the blood that carries the fuel. If the animal does not replace habitually, feeding itself, what it loses by breathing, the lamp would soon be without oil and the animal would perish. , just like the lamp goes off when it lacks fuel.

It is not only the pores of the skin where this aqueous wasting occurs. A considerable amount of moisture is also exhaled by the lungs at each expiration.

We should not rely on anything other than facts: these are presented by nature and can not deceive. We must, in each case, submit our reasoning to the test of the experiment, and never look for the truth except by the natural path of experiment and observation.

As ideas are conserved and communicated through words, it necessarily follows that we can not improve the language of any science, without at the same time improving science itself; we can not, on the other hand, improve a science without improving the language or the nomenclature that belongs to it.

The impossibility of separating the nomenclature from a science of science itself, is due to this, that each branch of physical science must consist of three things; the series of facts that are the objects of science, the ideas that represent these facts and the words with which these ideas are expressed. Like three impressions of the same seal, the word must produce the idea and the idea of ​​being an image of the fact.
Antoine Lavoisier Quotes
If everything in chemistry is explained satisfactorily without the help of phlogiston, it is for that reason alone that it is infinitely probable that the principle does not exist; which is a hypothetical body, a gratuitous assumption; in fact, it is in the principles of good logic, not to multiply bodies without necessity.

Maybe … someday the accuracy of the data will go so far that the mathematician will be able to calculate on his desk the result of any chemical combination, in the same way, so to speak, while calculating the celestial bodies movements.

All the art of making experiments in chemistry is based on the principle: we must always assume an equality or exact equation between the principles of the body examined and those of the products of its analysis.

It is almost possible to predict one or two days in advance, within a fairly wide range of probability, what the climate will be; It is even thought that it will not be impossible to publish daily forecasts, which would be very useful for society.

I am young and greedy for glory.

Nothing is lost, nothing is created, everything is transformed

Nothing is born, nothing dies.

Vegetables are organized bodies that grow in the dry areas of the globe and within its waters. Its function is to immediately combine the four elements and serve as food for the animals.

We can establish it as an incontestable axiom, that, in all the operations of art and nature, nothing is created; an equal amount of matter exists both before and after the experiment; the quality and quantity of the elements remain exactly the same; and nothing takes place beyond the changes and modifications in the combination of these elements. According to this principle, the entire art of conducting chemical experiments depends: we must always assume an exact equality between the elements of the body examined and those of the products of its analysis.
Antoine Lavoisier Quotes
This theory [the theory of oxygen]is not as I have heard it described, that of the French chemists, it is mine (elle est la mienne); It is a property that I claim from my contemporaries and from posterity.

The imagination, on the other hand, that goes beyond the limits of truth, together with self-love and self-confidence that we are so willing to enjoy, leads us to draw conclusions that do not derive immediately from the facts.

In each combustion there is disconnection of the question of fire or light. A body can only be burned in pure air [oxygen]. There is no destruction or decomposition of pure air and the weight gain of the burned body is exactly equal to the weight of the destroyed or decomposed air. The burned body changes to an acid by adding the substance that increases its weight. Pure air is a compound of the question of fire or light with a base. In combustion, the burning body eliminates the base, which attracts more strongly than the heat matter, which appears as flame, heat and light.





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