879. The room is sometimes more luminous than rooms lightened by our daylight, but sometimes it is darker, which variations succeed each other. When these imaginative pictures vanish there then appears on the wall, which is more and more enlarged, something representing a window, as it were, but it is then obscure and no light enters. The colors are for the most part dark. Presently something of heaven appears to them with a kind of cloud within, and at a distance, little stars. In this way their rooms are changed into more pleasant ones.