old planet; the new races fed out of the decomposition of the foregoing. New arts destroy the old. See the investment of capital in aqueducts made useless by hydraulics; fortifications, by gunpowder; roads and canals, by railways; sails, by steam; steam by electricity.

You admire this tower of granite, weathering the hurts of so many ages. Yet a little waving hand built this huge wall, and that which builds is better than that which is built. The hand that built can topple it down much faster. Better than the hand and nimbler was the invisible thought which wrought through it; and thus ever, behind the coarse effect, is a fine cause, which, being narrowly seen, is itself the effect of a finer cause.

Every thing looks permanent until its secret is known. A rich estate appears to women a