[120] Before now, indeed, cities, and countries, and peoples, and nations of the earth, have enjoyed the greatest happiness and prosperity in consequence of the virtue and prudence of the individual; especially so when, in addition to a good disposition and wisdom, God has also given him irresistible power, as he may have given to a musician or to any artist the proper instruments for music, or for carrying out any other art, or as wood is supplied as a material for fire;