Liu Tang Yuxi's "Mourning for the Past": "Sincerity is latent, and care for the same heart is suspicious."

Song Luyou's poem "Zuo Zuo in the Garden" says: "Laugh at childlike innocence before flowers and play with children."

Li Mingzhi's Childlike Heart: "Those who are childlike are absolutely innocent and their original thoughts are true."

Mencius on Li Lou: "Adults must not lose their childlike innocence."