William Petty Quotes
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It were good to know how much hay an acre of every sort will bear; how many cattle the same weight of each sort of hay will feed and fatten; what quantity of grain and other commodities the same acre will bear in one, three or seven years; unto what use each soil is proper; all which particulars I call intrinsic value, for there is also another value merely accidental or extrinsic.
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That some are poorer than others, ever was and ever will be: And that many are naturally querulous and envious, is an Evil as old as the World.
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I hope no man takes what I said about the living and dieing of men for mathematical demonstration.
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For every Seaman of Industry and Ingenuity, is not only a Navigator, but a Merchant, and also a Soldier.
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A thousand acres that can feed a thousand souls is better than ten thousand acres of no more effect.
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Without the knowledge of the true number of the people, as a principle, the whole scope and use of keeping bills of birth and burials is impaired; wherefore by laborious conjectures and calculations to deduce the number of people from the births and burials, may be ingenious, but very preposterous.
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Wherefore the race being not to the swift, etc. but time and chance happening to all men, I leave the Judgement of the whole to the Candid, of whose correction I shall never be impatient.
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An house is of a double nature, viz., one, wherein it is a way and means of expence, the other as it is an instrument and tool of gain.
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The trade of banks is the buying and selling of interest and exchange.
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The method I take to do this is not yet very usual; for instead of using only comparative and superlative Words, and intellectual Arguments, I have taken the course (as a Specimen of the Political Arithmetic I have long aimed at) to express myself in Terms of Number, Weight, or Measure; to use only Arguments of Sense, and to consider only such Causes, as have visible Foundations in Nature.
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Money is the best rule of commerce.
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No man pays double or twice for the same thing, forasmuch as nothing can be spent but once.
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Here we are to remember that in consequence of our opinion that labor is the Father and active principle of wealth, as lands are the Mother, that the state by killing, mutilating, or imprisoning their members do withal punish themselves.
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Raising of money may indeed change the species, but with so much loss as the foreign pieces were raised unto, above their intrinsick value.