These views, however, precisely because they concerned only the inner convictions of men, did not mark the opposition between the parties so clearly as did the third dogma of the Pharisees, establishing the importance and all-embracing influence of religious injunctions. In a nation whose breath of life was religion, many customs whose origin was lost in the dim twilight of the past had taken their place by the side of the written Law. If these customs were not found in the books of the Law they were ascribed to the great teachers (the Sopherim and the great assembly--Keneseth hagedolah), which, at the time of the return of the Captivity, had given form and new vigor to the religious sentiment, and at the head of which stands the illustrious expounder of Scripture, Ezra. Such religious customs were called the legacies of the teachers of the Law (Dibre Sopherim). All these unwritten customs, which lived in the heart of the nation and, as it were, grew with its growth, gained an extraordinary degree of importance from the dangers that Judaism had encountered and the victories that it had achieved. The people had risked, in behalf of these very customs, their property and their life; and the martyrdom that many of the faithful had undergone, and the antagonism they felt towards the renegade and frivolous Hellenists, had much increased the reverence and attachment with which these customs were regarded. The Temple, especially, which had been so ruthlessly defiled and afterwards been reconsecrated in so marvelous a manner, had become doubly precious to the whole people, who were determined to keep it free from the faintest breath of desecration. The Levitical rules of purity, so far as they related to the Temple, were therefore observed with peculiar care and rigorous strictness.