Pope would have been glad "to dwell in ambiguities for ever." In accepting the advocacy of Warburton he was obliged to abandon his equivocal attitude, and disavow the deistical creed. "The infidels and libertines," Warburton wrote to Dr. Stukeley, January 1, 1740, "prided themselves in thinking Mr. Pope of their party. I thought it of use to religion to show so noble a genius was not; and I can have the pleasure of telling you (and have Mr. Pope's own authority for it), that he is not."[795] His chief difficulty must have been to cast off his allegiance to his "philosopher and guide, the master of the poet and the song." But his reputation was at stake, and he did not hesitate. His anxiety to disclaim all sympathy with the theology of the teacher who had furnished the arguments of his poem was shown by one of his habitual frauds. He published, in 1741, his correspondence with Swift, and in the printed letter of December, 1725, he says, "Lord B. is above trifling; when he writes of anything in this world, he is more than mortal: if ever he trifles it must be when he turns a divine." A copy of the letter is among the Oxford papers at Longleat, and there we find that the words he really used were, "Lord B. is above trifling; he is grown a great divine." Pope reversed the language of the original passage that he might seem to the world to have contemned the divinity of Bolingbroke long before the Essay on Man appeared. The fraud had the intended effect with Pope's friends. Lord Mansfield inferred from the fabricated version that "Pope not only condemned but despised the futility of Bolingbroke's reasoning against revelation;" and Warburton quoted the sentence for an evidence of Pope's opinion "that no subject but religion could have sunk his lordship so far below the class of reputable authors."[796] Bolingbroke, ignorant of the trick, remained upon cordial terms with Pope, and did not outwardly resent his defection. The discarded master had a double motive for his forbearance. No man was more vulnerable, and he would have feared to provoke the malignity of the satirist. He was anxious in his life-time to conceal his infidelity from the outer world, and he could not expose the inconsistencies of the poet without revealing his own unbelief. "I have been a martyr of faction in politics," he once wrote to Pope, "and have no vocation to be so in philosophy."[797] Inwardly he was deeply mortified that "the song" he had inspired should be wrested to a meaning he disowned, that his admiring scholar should bow down no longer to his sceptical sophistries, and that the idol who supplanted him should belong to that priestly order of which he never spoke without scorn. His suppressed indignation, inflamed by fresh offences, broke out after Pope was dead.