Those who try to lead the people can only do so by following the mob. It is through the voice of one crying in the wilderness that the ways of the gods must be prepared.
I think the trick with knowledge is to “acquire it, and forget all except the perfume” - because it is noisy and sometimes drowns out one's own “brain voices”. The perfume part is important because it will help find the knowledge again to help get to the destinations the inner urges pick.
In this disintegrative, technologically-manic time, when public language is so debased, poetry continues to matter because it's the art that reintegrates words, speech, voice, breath, music, bodily tempo, and the powers of the imagination.