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When you cannot measure, your knowledge is meager and unsatisfactory.

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
Measure
Knowledge
Cannot
Meager
Unsatisfactory

More quotes by Lord Kelvin

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To live among friends is the primary essential of happiness.
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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.
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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.
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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.
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I can never satisfy myself until I can make a mechanical model of a thing. If I can make a mechanical model, I can understand it. As long as I cannot make a mechanical model all the way through I cannot understand.
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I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind.
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.
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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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Fourier is a mathematical poem.
Lord Kelvin
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If we can't express what we know in the form of numbers, we really don't know much about it.
Lord Kelvin
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Mathematics is the only true metaphysics.
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 no satisfaction in formulas unless I feel their numerical magnitude.
Lord Kelvin
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Heavier-than-air flying machines are impossible.
Lord Kelvin
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You know only insofar as you can measure.
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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If you can not measure it, you can not improve it.
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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The more thoroughly I conduct scientific research, the more I believe that science excludes atheism.
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