Every soil does not produce every material.

All is more or less proper to serve as a common measure, in proportion as it is more or less in general use, of a more similar quality, and more easy to be divided into aliquot parts. All is more or less applicable for the purpose of a general pledge of exchange, in proportion as it is less susceptible of decay or alteration in quantity or quality.

Gold and silver are constituted, by the nature of things, money, and universal money, independent of all convention, and of all laws.

The whole mass of humanity . . . marches constantly, though slowly, toward greater perfection.

All money is essentially merchandize.

The earth has been cultivated before it has been divided; the cultivation itself having been the only motive for a division, and for that law which secures to every one his property. For the first persons who have employed themselves in cultivation, have probably worked as much land as their strength would permit, and, consequently, more than was necessary for their own nourishment.

What I admire in Columbus is not his having discovered a new world but his having gone to search for it on the faith of an opinion.