Antoine Lavoisier

Father of modern chemistry

Early Modern influential 64 sayings

Sayings by Antoine Lavoisier

It is not enough to observe; one must make experiments.

c. 1780s — Emphasizing the importance of experimental method
Humorous Unverifiable

Chemistry is a science of facts and experiments, and not of opinions.

1789 — From 'Elements of Chemistry'
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I shall be happy if my work contributes to the progress of the sciences, and to the well-being of mankind.

1789 — From the preface to 'Elements of Chemistry'
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The greatest discoveries are not made by chance, but by observation and reflection.

c. 1780s — General scientific philosophy
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The operations of nature are always simple, and she avoids all unnecessary complexity.

c. 1780s — Reflecting on the elegance of natural laws
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It is not sufficient to know, one must apply.

c. 1780s — Emphasizing practical application of knowledge
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The most important thing for a man of science is to have a clear head and a good heart.

c. 1780s — Advice to a young scientist
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It is only by means of experiments that we can arrive at the truth.

c. 1780s — Underlining the empirical basis of science
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We must trust to nothing but facts, for we are to have no other guide.

1789 — From 'Elements of Chemistry'
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The chemist, in his laboratory, is a magician who creates new substances.

c. 1780s — A poetic description of his work
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Life is a chemical function.

c. 1780s — A concise and almost comically reductionist view of biology
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The more I study, the more I am convinced of the existence of a superior intelligence.

c. 1780s — A common sentiment among scientists of his era
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It is not given to every man to be a Newton, but every man can be useful to society.

c. 1780s — A humble comparison to Isaac Newton
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The desire to do good is the most powerful motive of all.

c. 1780s — Reflecting on his motivations
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I have lived a simple life, devoted to science and to the service of my country.

c. 1790s — A retrospective view of his life
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The imagination is a dangerous guide in science, but it can be a useful servant.

c. 1780s — On the role of creativity in scientific inquiry
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I am a chemist, not a politician.

c. 1790s — Perhaps a lament during the French Revolution, though attributed, the exact context is difficult to …
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The greatest pleasure of the human mind is to discover the truth.

c. 1780s — Expressing his passion for discovery
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We must dare to know, and to speak what we know.

c. 1780s — A call for intellectual courage
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Science advances by correcting its errors.

c. 1780s — A succinct statement on the nature of scientific progress
Humorous Unverifiable