I might get up, but if I got up and looked at it, ten to one I shouldn't be able to say for certain; because once a thing's done, no one ever knows how it happened.
How readily our thoughts swarm upon a new object, lifting it a little way, as ants carry a blade of straw so feverishly, and then leave it...
The mark was a small round mark, black upon the white wall, about six or seven inches above the mantelpiece.
