The atmosphere of high idealism in which the order had been conceived continued to be fostered by Stephens, its founder and its first Grand Master Workman. He extolled justice, discountenanced violence, and pleaded for "the mutual development and moral elevation of mankind." His exhortations were free from that narrow class antagonism which frequently characterizes the utterances of labor. One of his associates, too, invoked the spirit of chivalry, of true knighthood, when he said that the old trade union had failed because "it had failed to recognize the rights of man and looked only to the rights of tradesmen," that the labor movement needed "something that will develop more of charity, less of selfishness, more of generosity, less of stinginess and nearness, than the average society has yet disclosed to its members." Nor were these ideas and principles betrayed by Stephens's successor, Terence V. Powderly, who became Grand Master in 1879 and served during the years when the order attained its greatest power. Powderly, also, was a conservative idealist. His career may be regarded as a good example of the rise of many an American labor leader. He had been a poor boy. At thirteen he began work as a switchtender; at seventeen he was apprenticed as machinist; at nineteen he was active in a machinists' and blacksmiths' union. After working at his trade in various places, he at length settled in Scranton, Pennsylvania, and became one of the organizers of the Greenback Labor party. He was twice elected mayor of Scranton, and might have been elected for a third term had he not declined to serve, preferring to devote all his time to the society of which he was Grand Master. The obligations laid upon every member of the Knights of Labor were impressive: