Marquis de Condorcet Quotes
If it is possible to have a linear unit that depends on no other quantity, it would seem natural to prefer it. Moreover, a mensural unit taken from the earth itself offers another advantage, that of being perfectly analogous to all the real measurements that in ordinary usage are also made upon the earth, such as the distance between two places or the area of some tract, for example. It is far more natural in practice to refer geographical distances to a quadrant of a great circle than to the length of a pendulum.
Condorcet, Jean-Antoine-Nicolas de Caritat, Marquis de, et al. "Rapport sur le choix d'une unité de mesure." Histoire de l'Académie royale des sciences, année 1788, Imprimerie royale, 1791, pp. 7-16.
Marie Jean Antoine Nicolas de Caritat, Marquis of Condorcet, known as Nicolas de Condorcet, was a French philosopher and mathematician. His ideas, including support for a liberal economy, free and equal public instruction, constitutional government, and equal rights for women and people of all races, have been said to embody the ideals of the Age of Enlightenment and Enlightenment rationalism. He died in prison after a period of flight from French Revolutionary authorities.