Paper Weight

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For all books are divisible into two classes: the books of the hour, and the books of all time. Mark this distinction — it is not one of quality only. It is not merely the bad book that does not last, and the good one that does. It is a distinction of species. There are good books for the hour, and good ones for all time; bad books for the hour, and bad ones for all time.

— John Ruskin, Sesame and Lilies, 1864