This reminds me a plot in "The Heaven Sword and Dragon Saber", where the Taichi master asks the student how much he remembered what was shown to him, and keeps

This reminds me a plot in "The Heaven Sword and Dragon Saber", where the Taichi master asks the student how much he remembered what was shown to him, and keeps doing it until he "remembers nothing", that's when he has fully learned Taichi.