"Then the possibility or probability--for such it must be considered--of your never being disturbed in possession of those effects lately belonging to a lone old man who seemed to have no relation in the world, and the certainty of your being able to find out what he really had got stored up there, don't weigh with you at all against last night, Tony, if I understand you?" 
"Not for the possibility of your never being disturbed in possession of the effects of a lone old man who seemed to have no relation in the world, and the certainty of your being able to find out what he really had got stored up there?" 