Hope is a virtue that keeps us motivated and inspired to achieve our goal. the poet considers hope as a never ending light or the endless ray of hope. the singing won't stop because the hope is present everywhere and is eternal.
A heart please
The answer is: the author’s decision to flee China for the United States.
In the poem "Garden of My Childhood," the author Kuangchi Chang uses the words "childhood garden" to refer to the country where he was born - China. As a consequence, the decision to leave his childhood garden for a new garden implies the idea that he is leaving or has left China to start a new life in The USA.