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If you can not measure it, you can not improve it.

Lord Kelvin

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Lord Kelvin
Age: 83 †
Born: 1824
Born: June 26
Died: 1907
Died: December 17
Astronomer
Mathematician
Physicist
Politician
Scientist
University Teacher
Belfast
Ireland
The Lord Kelvin
Lord Kelvin
William Thomson
William (Lord Kelvin) Thomson
Measuring
Measurement
Improve
Measure

More quotes by Lord Kelvin

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I believe that the more thoroughly science is studied, the further does it take us from anything comparable to atheism.
Lord Kelvin
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We only know God in His works, but we are forced by science to admit and to believe with absolute confidence in a Directive Power-in an influence other than physical, or dynamical, or electrical forces.
Lord Kelvin
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When you can measure what you are speaking about, and express it in numbers, you know something about it.
Lord Kelvin
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I have not the smallest molecule of faith in aerial navigation other than ballooning, or of the expectation of good results from any of the trials we heard of. So you will understand that I would not care to be a member of the Aeronautical Society.
Lord Kelvin
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Suppose that you could mark the molecules in a glass of water then pour the contents of the glass into the ocean and stir the latter throughly so as to distribute the marked molecules uniformly throughout the seven seas if then you took a glass of water anywhere out of the ocean, you would find in it about a hundred of your marked molecules.
Lord Kelvin
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There cannot be a greater mistake than that of looking superciliously upon practical applications of science. The life and soul of science is its practical application.
Lord Kelvin
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The vortex theory [of the atom] is only a dream. Itself unproven, it can prove nothing, and any speculations founded upon it are mere dreams about dreams.
Lord Kelvin
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Fourier is a mathematical poem.
Lord Kelvin
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Heavier-than-air flying machines are impossible.
Lord Kelvin
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Accurate and minute measurement seems to the non-scientific imagination, a less lofty and dignified work than looking for something new. But nearly all the grandest discoveries of science have been but the rewards of accurate measurement and patient long-continued labour in the minute sifting of numerical results.
Lord Kelvin
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Can you measure it? Can you express it in figures? Can you make a model of it? If not, your theory is apt to be based more upon imagination than upon knowledge.
Lord Kelvin
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[Of the ether] it is no greater mystery at all events than the shoemakers' wax.
Lord Kelvin
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Questions of personal priority, however interesting they may be to the persons concerned, sink into insignificance in the prospect of any gain of deeper insight into the secrets of nature.
Lord Kelvin
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Science is bound, by the everlasting vow of honour, to face fearlessly every problem which can be fairly presented to it.
Lord Kelvin
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Vortices of pure energy can exist and, if my theories are right, can compose the bodily form of an intelligent species.
Lord Kelvin
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To measure is to know.
Lord Kelvin
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To live among friends is the primary essential of happiness.
Lord Kelvin
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You know only insofar as you can measure.
Lord Kelvin
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Simplification of modes of proof is not merely an indication of advance in our knowledge of a subject, but is also the surest guarantee of readiness for farther progress.
Lord Kelvin
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The more thoroughly I conduct scientific research, the more I believe that science excludes atheism.
Lord Kelvin