John Richard Green, History of the English People, Volume IV
“ Vast in fact as Philip's resources were, they were drained by the yet vaster schemes of ambition into which his religion and his greed of power, as well as the wide distribution of his dominions, perpetually drew him. To coerce the weaker States of Italy, to command the Mediterranean, to keep a hold on the African coast, to preserve his influence in Germany, to support Catholicism in France, to crush heresy in Flanders, to despatch one Armada against the Turk and another against England, were aims mighty enough to exhaust even the power of the Spanish monarchy. ”
