Identify the figure of speech employed in the sentence quoted below: "Today it is the teachers, "he continued, "and tomorrow the magazines, the books, the newspapers. After a while, it is the setting of man against man and creed against creed until we are marching backwards to the glorious age of the sixteenth century when bigots lighted faggots to burn the men who dared to bring any intelligence and enlightenment and Culture to the human mind. "