Quote

A spade may be made of any size, and if the same number of strokes be made in the hour, the requisite exertion will vary nearly as the cube of the length of the blade.

William Stanley Jevons

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William Stanley Jevons
Age: 46 †
Born: 1835
Born: September 1
Died: 1882
Died: August 13
Economist
Philosopher
Photographer
Statistician
City of Liverpool
Jevons
William Stanley
Requisite
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Hour
Blade
Number
Exertion
Numbers
Blades
Spade
Hours
Vary
Cube
May
Strokes
Spades
Made
Length
Cubes
Nearly

More quotes by William Stanley Jevons

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The whole value of science consists in the power which it confers upon us of applying to one object the knowledge acquired from like objects and it is only so far, therefore, as we can discover and register resemblances that we can turn our observations to account.
William Stanley Jevons
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The whole result of continued labour is not often consumed and enjoyed in a moment the result generally lasts for a certain length of time. We must then conceive the capital as being progressively uninvested.
William Stanley Jevons
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Many persons entertain a prejudice against mathematical language, arising out of a confusion between the ideas of a mathematical science and an exact science. ...in reality, there is no such thing as an exact science.
William Stanley Jevons
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There is no such thing as absolute cost of labour it is all a matter of comparison. Every one gets the most which he can for his exertions some can get little or nothing, because they have not sufficient strength, knowledge or ingenuity others get much, because they have, comparatively speaking, a monopoly of certain powers.
William Stanley Jevons
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The theory which follows is entirely based on a calculus of pleasure and pain and the object of economics is to maximize happiness by purchasing pleasure, as it were, at the lowest cost of pain.
William Stanley Jevons
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It isrequisite from time to time to remind one generation of the experience which led a former generation to important legislative actions.
William Stanley Jevons
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There are many portions of economical doctrine which appear to me as scientific in form as they are consonant with facts.
William Stanley Jevons
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we often observe that there is abundance of capital to be had at low rates of interest, while there are also large numbers of artisans starving for want of employment.
William Stanley Jevons
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As a general rule, it is foolish to do just what other people are doing, because there are almost sure to be too many people doing the same thing.
William Stanley Jevons
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Value is the most invincible and impalpable of ghosts, and comes and goes unthought of, while the visible and dense matter remains as it was.
William Stanley Jevons
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Economists can never be free of from difficulties unless they will distinguish between a theory and the application of a theory.
William Stanley Jevons
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There are a multitude of allied branches of knowledge connected with mans condition the relation of these to political economy is analogous to the connexion of mechanics, astronomy, optics, sound, heat, and every other branch more or less of physical science, with pure mathematics.
William Stanley Jevons
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A little experience is worth much argument a few facts are better than any theory.
William Stanley Jevons
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Property is only another name for monopoly.
William Stanley Jevons
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Logic should no longer be considered an elegant and learned accomplishment it should take its place as an indispensable study for every well-informed person.
William Stanley Jevons
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You will perceive that economy, scientifically speaking, is a very contracted science it is in fact a sort of vague mathematics which calculates the causes and effects of man's industry, and shows how it may be best applied.
William Stanley Jevons
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The difficulties of economics are mainly the difficulties of conceiving clearly and fully the conditions of utility.
William Stanley Jevons
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One pound invested for five years gives the same result as five pounds invested for one year, the product being five pound years.
William Stanley Jevons
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A correct theory is the first step towards improvement, by showing what we need and what we might accomplish.
William Stanley Jevons
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In short, I do not write for mathematicians, nor as a mathematician, but as an economist wishing to convince other economists that their science can only be satisfactorily treated on an explicitly mathematical basis.
William Stanley Jevons