No man pays double or twice for the same thing, forasmuch as nothing can be spent but once.
William PettyRaising of money may indeed change the species, but with so much loss as the foreign pieces were raised unto, above their intrinsick value.
William PettyFor every Seaman of Industry and Ingenuity, is not only a Navigator, but a Merchant, and also a Soldier.
William PettyI hope no man takes what I said about the living and dieing of men for mathematical demonstration.
William PettyWithout 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.
William Petty