"Man is a bird outside the human world."
"Put off a flower and you will have my spring."
"Stepping into a piece of water gave me my summer."
"Swallowing a seed gave me my autumn."
"Back to the human world, there is winter."
"Man is a bird outside the human world."
"I will continue to fly after I pass away."
Concept: the lives and choices of a group of ordinary people.