All true histories contain instruction; though, in some, the treasure may be hard to find, and when found, so trivial in quantity, that the dry, shriveled kernel scarcely compensates for the trouble of cracking the nut

All true histories contain instruction; though, in some, the treasure may be hard to find, and when found, so trivial in quantity, that the dry, shriveled kernel scarcely compensates for the trouble of cracking the nut (Anne Brontë, Agnes Grey)