The prolific volumes of literary works are now of academic interest only, mainly to flesh out aspects of the culture of the time, which embraced a period in which tensions that were to explode in the French Revolution five years after his death were still held in check. Lefranc is remembered today, if he is at all, as a consequence of the maiden speech he gave at the Académie française in 1760, which led to him becoming forever known and defined as "the enemy of Voltaire".