G.W.F. Hegel, The Philosophy of History, 408 - there is a limit to growth of a doctrine; liberalism has achieved its peak > “The objective doctrines of Christianity had been already so firmly settled by the Councils of the Church, that neither the mediaeval nor any other philosophy could develop them further, except in the way of exalting them intellectually, so that they might be satisfactory as presenting the form of Thought.”