I heard an Englishman, who had been long resident in America, declare that in following, in meeting, or in overtaking, in the street, on the road, or in the field, at the theatre, the coffee-house, or at home, he had never overheard Americans conversing without the word DOLLAR being pronounced between them. Such unity of purpose... can... be found nowhere else, except... in an ant's nest.
Domestic Manners of the Americans: Complete in One Volume (ed. 1832)