How odd that girl's life looks Behind this soft eclipse! I think that earth seems so To those in heaven now. This being comfort, then That other kind was pain; But why compare? I'm wife! stop there!
And while good books - even so-so books - serve both functions, if you ever have to choose one over the other, keep in mind that a book that entertains without enlightening can still be a guilty pleasure, but a book that enlightens without entertaining is algebra.