There has been a vast output of critical studies in contemporary poetry, some of them first rate, but I do not think that , as a rule, a poet should read them.
W. H. AudenPrecisely because we do not communicate by singing, a song can be out of place but not out of character; it is just as credible that a stupid person should sing beautifully as that a clever person should do so.
W. H. Auden