Read the extract given below and answer the questions that follow.
A thing of beauty is a joy forever Its loveliness increases, it will never Pass into nothingness; but will keep A bower quiet for us and a sleep Full of sweet dreams and health and quiet breathing
(a) How does a thing of beauty remain a joy forever?
(b) Mention any two sources of joy which a thing, of beauty provides to us. (All India 2008; Modified)
(c) Explain, “never pass into nothingness.”
(d) What is meant by‘bower’?