I have quite as great an interest in being careful of his house as you can have; and as to such alterations as I was suggesting just now, such as moving a bookcase, or unlocking a door, or even as using the billiard-room for the space of a week without playing at billiards in it, you might just as well suppose he would object to our sitting more in this room, and less in the breakfast-room, than we did before he went away, or to my sister's pianoforte being moved from one side of the room to the other. 
I have quite as great an interest in his house as you; and as to such alterations as moving a bookcase, or unlocking a door, or using the billiard-room for the space of a week, you might as well suppose he would object to my sister's pianoforte being moved from one side of the room to the other. 