Answer:
Dreams
Langston Hughes
Hold fast to dreams for if dreams die
Life is a broken-winged bird that cannot fly.
Hold fast to dreams for when dreams go
Life is a barren field frozen with snow.
The rhyme scheme it uses is AABB
Explanation:
This rhyme scheme is called a coupled rhyme. A coupled rhyme is a two-line stanza that rhymes following the rhyme scheme AA BB, or a similar dual rhyming scheme.
Die rhymes with fly
Go rhymes with snow.