This passion for promoting the seriousness and importance of poetry comes through in Brodsky's opening remarks as the U.S. Poet Laureate in October 1991. He said, "By failing to read or listen to poets, society dooms itself to inferior modes of articulation, those of the politician, the salesman or the charlatan. ... In other words, it forfeits its own evolutionary potential. For what distinguishes us from the rest of the animal kingdom is precisely the gift of speech. ... Poetry is not a form of entertainment and in a certain sense not even a form of art, but it is our anthropological, genetic goal, our evolutionary, linguistic beacon." This sentiment is echoed throughout his work. In interview with Sven Birkerts in 1979, Brodsky reflected: