The conditions of the sentience had been here, he imagined, fulfilled in the method of collocation of these stones --in the order of their arrangement, as well as in that of the many fungi which overspread them, and of the decayed trees which stood around --above all, in the long undisturbed endurance of this arrangement, and in its reduplication in the still waters of the tarn.

[Edgar Allen Poe. The Fall of the House of Usher.]