Catherine began her reign full of great ideas. She was heavily influenced by the Enlightenment in Europe, and was keen to reform Russian society. She introduced a popular inoculation program to fight daagerous outbreaks of smallpox. Moscow's water set up for parentless children. She founded a system of free public schools and encouraged the best minds of Europe to visit Russia. Agricultural production increased, and she worked industriously to create new building projects throughout Moscow, inspiring the saying, "When she came (it) was of wood, when she left it was of stone.