This thinker followed the growth of agriculture and metallurgy in his Discourse on Inequality. In one work, he claimed that all passions grow out of amour de soi, including amour propre. He praised the independence of Sparta over the corruption of Athens in one work, while another advocates "negative education," where children discover things for themselves. He claimed that Sovereigns should advance the cause of the general will in a work which contains the line "man is born free, but everywhere he is in chains." For 10 points, name this French enlightenment author of 
This thinker followed the growth of agriculture and metallurgy in his Discourse on Inequality. In one work, he claimed that all passions grow out of amour de soi, including amour propre. He praised the independence of Sparta over the corruption of Athens in one work, while another advocates "negative education," where children discover things for themselves. He claimed that Sovereigns should advance the cause of the general will in a work which contains the line "man is born free, but everywhere he is in chains." For 10 points, name this French enlightenment author of Emile, or On Education and The Social Contract.
This thinker followed the growth of agriculture and metallurgy in his Discourse on Inequality.
Jean-Jacques Rousseau