Philosophers, comedians, and tipsy birthday celebrants all have proposed theories about why time seems to move increasingly swiftly as we grow older. But the most disconcerting rationale is not a theory. It is the undeniable realization that every day we live constitutes a smaller percentage of the accrued experience with which we awaken each morning, and therefore seems proportionately a smidgen quicker and smaller than the day before.

If there is nothing new under the sun, at least the sun itself is always new, always re-creating itself out of its own inexhaustible fire.

Philosophers, comedians, and tipsy birthday celebrants all have proposed theories about why time seems to move increasingly swiftly as we grow older. But the most disconcerting rationale is not a theory. It is the undeniable realization that every day we live constitutes a smaller percentage of the accrued experience with which we awaken each morning, and therefore seems proportionately a smidgen quicker and smaller than the day before.

I grew up in rural Tennessee. There were no bookstores in the town, but the school had a little library and the town had a little library, each with a patient and enthusiastic librarian, and I raced into both as if they were doorways to another world.