Who was the french philosopher whos belief in the goodness of human nature paved the way the way for romanticism?

The French philosopher known for his belief in the goodness of human nature, which greatly influenced the Romantic movement, was Jean-Jacques Rousseau. Rousseau argued that humans are inherently good and that societal corruption distorts this natural state. His ideas about individual freedom, emotion, and the value of nature resonated with Romantic thinkers, helping to shape the movement's emphasis on emotion and the idealization of the natural world.