“Perhaps it's the alien equivalent of a discarded tomato can. Does a beetle know why it can enter the can only from one end as it lies across the trail to the beetle's burrow? Does the beetle understand why it is harder to climb to the left or right, inside the can, than it is to follow a straight line? Would the beetle be a fool to assume the human race put the can there to torment it — or an egomaniac to believe the can was manufactured only to mystify it? It would be best for the beetle to study the can in terms of the can's logic, to the limit of the beetle's ability. In that way, at least, the beetle can proceed intelligently. It may even grasp some hint of the can's maker. Any other approach is either folly or madness.”