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. AudenMost people call something profound, not because it is near some important truth but because it is distant from ordinary life. Thus, darkness is profound to the eye, silence to the ear; what-is-not is the profundity of what-is.
W. H. Auden