A. D. 10,000. An old man, more than six hundred years of age, was walking with a boy through a great museum. The people who were moving around them had beautiful forms, and faces which were indescribably refined and spiritual. “Father,” said the boy, “you promised to tell me to-day about the Dark Ages. I like to hear how men lived and thought long ago.” “It is no easy task to make you understand the past,” was the reply. “It is hard to realize that man could have been so ignorant as he was eight