The philosophes (French for philosophers) were a group of intellectuals of the 18th century Enlightenment . ' were a result of this new approach to learning who encourage reason, knowledge and education as a way of overcoming superstition and ignorance. Philosophes Denis Diderot and Jean le Rond d'Alembert edited the Encyclopédie (1751-1772,) which represented the philosophe belief that everything could be known, classified and understood by man. It also questioned religious authority and criticized social injustice. They believed that the role of philosophy was to change the world, not just to discuss it.