It took from a hundred to a hundred and fifty or two hundred years for the astronomy of Kepler to become the astronomy of Newton and Laplace, and for the mechanics of Galileo to become the mechanics of d'Alembert and Lagrange. On the other hand, less than a century has elapsed between the publication of Adam Smith's work and the contributions of Cournot, Gossen, Jevons, and myself.

In : John Cunningham Wood (1993), Léon Walras: The life of Léon Walras and perspectives on his thought. Taylor & Francis, p. 32-33.