"Picking mulberry, raising silkworms and transplanting rice seedlings" comes from "Four Seasons Songs of Tianjia", which is a poem describing farming scenes. The Four Seasons Song of Tianjia is a poem describing the scenery of the four seasons, expressing the author's praise for the workers and life. Busy farming in summer, picking sericulture and transplanting rice seedlings. Get up early and get greedy, and come back to wear moonlight. "