Thoreau argues that serious books deserve the same care from readers that authors brought to writing them. Reading, in this view, is not a passive activity or a matter of moving quickly through words. It requires patience, concentration and a willingness to consider language and ideas closely.

In Walden, Thoreau distinguishes thoughtful reading from more casual consumption of texts. He places particular value on works that have been composed with discipline and that reward sustained attention. The word “reservedly” suggests restraint as well as care: readers should resist rushing to judgement or treating difficult works superficially. The quote therefore presents reading as an active intellectual practice in which understanding depends partly on the effort a reader is prepared to make. It reflects Thoreau’s broader belief that education involves cultivating attention and judgement rather than merely acquiring information.