Quote by Marquis de Condorcet: “The progress of reason contributes to the progress of virtue.”

This quote suggests that as humanity becomes more logical and rational, people also become more ethical and morally upright. It expresses an Enlightenment belief that increased understanding and critical thinking naturally lead to better human behavior and societal good.

In his 'Sketch for a Historical Picture of the Progress of the Human Mind,' Condorcet argued that human history was a story of continuous moral and intellectual advancement driven by reason, leading to a more just and virtuous society.

French mathematician, philosopher, and political scientist who was a leading figure of the late Enlightenment. His Sketch for a Historical Picture of the Progress of the Human Mind, written while in hiding from the Revolutionary authorities, is a landmark of progressive thought.