Read it through once

“Mr. Rivers,” I said, turning to him, and looking at him, as he looked at me, openly and without diffidence, “you and your sisters have done me a great service—the greatest man can do his fellow-being; you have rescued me, by your noble hospitality, from death. This benefit conferred gives you an unlimited claim on my gratitude, and a claim, to a certain extent, on my confidence. I will tell you as much of the history of the wanderer you have harboured, as I can tell without compromising my own peace of mind—my own security, moral and physical, and that of others.