“Paris, City of Light doesn’t mean “the city with a lot of beautiful lights” but, rather, “the city where, during the eighteenth century, the lights of science (with the biologists like Buffon or Jussieu and with the encyclopedy writers like Diderot or d’Alembert) and the lights of philosophy (Voltaire, Rousseau, Condorcet, Montesquieu, …) have been lit.