those cries rose from among the twisted roots through which the spirits of the damned were slinking to hide from us. Therefore my Master said: 'If you break off a twig, what you will learn will drive what you are thinking from your head.' Puzzled, I raised my hand a bit and slowly broke off a branchlet from an enormous thorn: and the great trunk of it cried: 'Why do you break me?' And after blood had darkened all the bowl of the wound, it cried again: 'Why do you tear me? Is there no pity left in any soul? Men we were, and now we are changed to sticks; well might your hand have been more merciful were we no more than souls of lice and ticks.' As a green branch with one end all aflame will hiss and sputter sap out of the other as the air escapes- so from that trunk there came words and blood together, gout by gout. Startled, I dropped the branch that I was holding and stood transfixed by fear,...