And such must have been the age, and such the people, that first discovered the art of reciprocal communication of ideas between the more cultured and cruder sections of the community, and how to bridge the difference between the breadth and refinement of the former and the natural simplicity and originality of the latter in this way hitting upon that mean between higher culture and self sufficing nature, that forms for taste also, as a sense common to all mankind, that true standard which no universal rules can supply.