Gai Lao Xu's Heavenly Eye

Hua Lao Xu then told him that the son he saw through his eyes would always be the same as when he first learned to run. At that time, my son hid behind the curtains every day, playing hide and seek with him with his two little feet exposed. When the son opens the crack in the curtain and pokes his little head out, he will shout "Found it". The son quickly retracted his head, closed the curtains and remained silent. This is the game he and his son play most often.