Raising of money may indeed change the species, but with so much loss as the foreign pieces were raised unto, above their intrinsick value.
William PettyAn 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.
William PettyWherefore 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.
William PettyThe 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.
William Petty