What does "the sun has long been set" express at the end, and how is this different from the ending in "summer"? "the sun has long been set" expresses joy at the end, while "summer" focuses on time to think. "the sun has long been set" focuses on time to think at the end, while "summer" expresses joy. "the sun has long been set" expresses misery at the end, while "summer" focuses on death. "the sun has long been set" focuses on death at the end, while "summer" expresses misery?