"A naked boy just doesn't know loneliness. Loneliness will create a world and many friends! Always keep a pure heart, never fall behind when you are old, and always embrace the pure heart of the whole world! " In this sentence, while the father is happy with his son's success, he also hopes that a real artist can only achieve great works if he can endure loneliness and has a childlike heart that loves his motherland. He turned love into ardent expectation.