Dominic de Guzman was a Castilian gentleman, a trained scholar, a man whose luminous face won instant affection and respect. In the first years of the XIII century he came north with the bishop of Osma on a diplomatic mission relating to a royal marriage. As those two good men journeyed through Languedoc amid the fearful havoc wrought by heresy, the vocation of the younger priest took shape. Returning from Italy in 1206, he and the bishop of Osma laid aside pomp and comforts to evangelize according to primitive Christianity. Only too clear was it to them that heresy was fed by the unworthy priesthood of the Midi that had lost the people's esteem. Two generations earlier St. Bernard had lamented over the same evil. Innocent III rebuked the worldling prelate of Bordeaux, and asked the bishop of Narbonne if he had a purse in place of a heart. After ten years' heroic missionizing both before and during the Albigensian Crusade, Dominic won papal sanction for his new Order in 1216. He was then a man of forty-seven. When he died, at Bologna in 1221, he left flourishing houses all over Christendom. The function of his Friars was to teach again Christian doctrine in its purity; hence it was only natural, when the Inquisition[230] was founded, after the death of Dominic, that it should be intrusted to such trained theologians. They were to be a kind of jury to ascertain whether a case was heretical; if it was so decided, then the civic authorities stepped in and took action, since heresy was a state offense. The best minds of that day held the theory that the decline of religion was a menace to law and order. The violent repression of heresy to prevent the dissolution of society seemed then as necessary as the repression of anarchy seems to-day. It had not always been so. "Slay error, but always love the man who errs," was St. Augustine's maxim. St. Ambrose and St. Hilary reprobated physical violence toward heretics. Gregory VII had protested against the "impious cruelty" which had burned a man of Cambrai for heresy. "Heretics are to be taken by force of arguments, not by force of arms," said the vehement St. Bernard himself on one occasion. Gradually a different outlook had taken possession of men's minds, a change of view that was to cost the Church dear. Crusades against the infidel were on every side, in the Orient, in the Balkans, in Spain. When heresy took on so alien and perverse an aspect as the Catharist errors, which were at root the negation of Christian standards and a veritable antisocial menace, it needed but an incident to start a crusade against heretics in France.