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
Numbers
Blades
Hours
Vary
Spade
May
Strokes
Cube
Made
Length
Spades
Nearly
Cubes
Size
Requisite
Hour
Blade
Number
Exertion

More quotes by 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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The difficulties of economics are mainly the difficulties of conceiving clearly and fully the conditions of utility.
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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Property is only another name for monopoly.
William Stanley Jevons
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In matters of philosophy and science authority has ever been the great opponent of truth. A despotic calm is usually the triumph of error. In the republic of the sciences sedition and even anarchy are beneficial in the long run to the greatest happiness of the greatest number.
William Stanley Jevons
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Over-production is not possible in all branches of industry at once, but it is possible in some as compared to others.
William Stanley Jevons
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One of the most important axioms is, that as the quantity of any commodity, for instance, plain food, which a man has to consume, increases, so the utility or benefit derived from the last portion used decreases in degree. The decrease in enjoyment between the beginning and the end of a meal may be taken as an example.
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
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It is clear that Economics, if it is to be a science at all, must be a mathematical science ... simply because it deals with quantities... As the complete theory of almost every other science involves the use of calculus, so we cannot have a true theory of Economics without its aid.
William Stanley Jevons
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PLEASURE and pain are undoubtedly the ultimate objects of the calculus of economics. To satisfy our wants to the utmost with the least effort - to procure the greatest amount of what is desirable at the expense of the least that is undesirable - in other words, to maximize pleasure, is the problem of economics.
William Stanley Jevons
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I feel quite unable to adopt the opinion that the moment goods pass into the possession of the consumer they cease altogether to have the attributes of capital.
William Stanley Jevons
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Science arises from the discovery of Identity amid Diversity.
William Stanley Jevons
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Ina regular and constant employment the greatest result will always be gained by such a rate as allows a workman each day,or each week at the most, to recover all fatigue and recommence with an undiminished store of energy.
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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The child which overbalances itself in learning to walk is experimenting on the law of gravity.
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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By a commodity we shall understand any object, substance, action or service, which can afford pleasure or ward off pain.
William Stanley Jevons
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What capital I give for the spade merely replaces what the manufacturer had already invested in the expectation that the spade would be needed.
William Stanley Jevons
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I consider that interest is determined by the increment of produce which it enables a labourer to obtain, and is altogether independent of the total return which he receives for this labour.
William Stanley Jevons
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My principal work now lies in tracing out the exact nature and conditions of utility. It seems strange indeed that economists have not bestowed more minute attention on a subject which doubtless furnishes the true key to the problems of economics.
William Stanley Jevons