The light of sunrise and the dimness of sunset. The darkness and glimmers of the night. The warm and cold of the weather.

• 天空是日月运行,群星闪烁,四季更换,白昼之启明与暗淡,夜晚的黑暗与闪光,天气的温寒,云朵的浮游与苍穹的湛蓝幽深。