The younger man took up the challenge with all his natural eagerness, and the conversation resolved itself into a discussion of Christian evidences. Or rather Robert held forth, and Langham kept him going by an occasional remark which acted like the prick of a spur. The tutor's psychological curiosity was soon satisfied. He declared to himself that the intellect had precious little to do with Elsmere's Christianity. He had got hold of all the stock apologetic arguments, and used them, his companion admitted, with ability and ingenuity. But they were merely the outworks of the citadel. The inmost fortress was held by something wholly distinct from intellectual conviction--by moral passion, by love, by feeling, by that mysticism, in short, which no healthy youth should be without. 'He imagines he has satisfied his intellect,' was the inward comment of one of the most melancholy of sceptics, 'and he has never so much as exerted it. What a brute I am to protest!' And suddenly Langham threw up the sponge. He held out his hand to his companion, a momentary gleam of tenderness in his black eyes, such as on one or two critical occasions before had disarmed the impetuous Elsmere. 'No use to discuss it further. You have a strong case, of course, and you have put it well. Only, when you are pegging away at reforming and enlightening the world, don't trample too much on the people who have more than enough to do to enlighten themselves.' As to Mrs. Elsmere, in this new turn of her son's fortunes, she realised with humorous distinctness that for some years past Robert had been educating her as well as himself. Her old rebellious sense of something inherently absurd in the clerical status had been gradually slain in her by her long contact through him with the finer and more imposing aspects of church life. She was still on light skirmishing terms with the Harden curates, and at times she would flame out into the wildest, wittiest threats and gibes, for the momentary satisfaction of her own essentially lay instincts; but at bottom she knew perfectly well that, when the moment came, no mother could be more loyal, more easily imposed upon, than she would be. 'I suppose, then, Robert, we shall be back at Murewell before very long,' she said to him one morning abruptly, studying him the while out of her small twinkling eyes. What dignity there was already in the young lightly-built frame! what frankness and character in the irregular, attractive face! 'Mother,' cried Elsmere indignantly, 'what do you take me for? Do you imagine I am going to bury myself in the country at five or six-and-twenty, take six hundred a year, and nothing to do for it? That would be a deserter's act indeed.' Mrs. Elsmere shrugged her shoulders. 'Oh, I supposed you would insist on killing yourself, to begin with. To most people nowadays that seems to be the necessary preliminary of a useful career.'