As he walked up and down the walk by the moat, with his hands clasped behind his back, stopping every now and again to sit on the terrace wall,--walking there, mile after mile, with his mind intent on the one idea,--he schooled himself to feel that that, and that only, could be his duty. 
As he walked up and down by the moat, with his hands clasped behind his back, mile after mile, he schooled himself to feel that that was his duty. 