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Logic is not only an exact science, but is the most simple and elementary of all sciences it ought therefore undoubtedly to find some place in every course of education.

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
Simple
Sciences
Science
Exact
Place
Logic
Find
Therefore
Every
Ought
Courses
Course
Undoubtedly
Education
Elementary

More quotes by 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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The difficulties of economics are mainly the difficulties of conceiving clearly and fully the conditions of utility.
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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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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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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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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Repeated reflection and inquiry have led me to the somewhat novel opinion, that value depends entirely upon utility.
William Stanley Jevons
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As there are so many who talk prose without knowing it, or, again, who syllogize without having the least idea what a syllogism is, so economists have long been mathematicians without being aware of the fact.
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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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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I protest against deference to any man, whether John Stuart Mill, or Adam Smith, or Aristotle, being allowed to check inquiry. Our science has become far too much a stagnant one, in which opinions rather than experience and reason are appealed to.
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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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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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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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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The calculus of utility aims at supplying the ordinary wants of man at the least cost of labour.
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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One of the first and most difficult steps in a science is to conceive clearly the nature of the magnitudes about which we are arguing.
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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An isolated man like Alexander Selkirk might feel the benefit of a stock of provisions, tools and other means of facilitating industry, although cut off from traffic, with other men.
William Stanley Jevons