There is in them a softer fire than the ruby, there is the brilliant purple of the amethyst, and the sea green of the emerald - all shining together in incredible union. Some by their splendor rival the colors of the painters, others the flame of burning sulphur or of fire quickened by oil.
Pliny the ElderThe agricultural population produces the bravest men, the most valiant soldiers,46 and a class of citizens the least given of all to evil designs.
Pliny the Elder