There are many expressions which, though simple in themselves, must forever remain beyond the grasp of human comprehension. Eternity, that which has neither end nor beginning, baffles the most profound human thought. It is impossible to think of a point beyond which there is absolutely nothing, or to imagine the passing of a million years without bringing us one day or one minute nearer to their close. Suppose that one could fix upon the terminal point, we would still fancy something beyond that ...