Langston HUghes: Poetry for young people,In "The Dream Keeper," how does hughes explain that poets are good at keeping the dreams of a people?What does it suggest about dreams?

The speaker asks people to bring him their dreams for a poet understands intangible and the abstract. Dreams suffer and whither in the harsh world of the literal but the speaker (poet) can protect them by keeping them in the lyrical and metaphorical state.