Be thou not a bastard AND a bookworm, in other words.

Take care not to understand editions and title-pages too well. It always smells of pedantry, and not always of learning... beware of the bibliomanie.

-Philip Dormer Stanhope, Lord Chesterfield (1694-1773), English statesman, orator and sometime tastemaker, in Letters to His Son. Henry Bemis' profile of the noble lord is here.