The One in My Family Is Really Stupid

This is a pit that alternates between modern and ancient times. On the night when the late emperor passed away, he called the prince to his bedside: "Son, do you know what I relied on to conquer the country?" The prince thought about it carefully and said solemnly: "It is wisdom, benevolence, and loyalty." The late emperor frowned. He looked at the unfulfilled child and said angrily: "It's because of stupidity! Only pretending to be stupid is the highest level of shamelessness. In this way, no matter whether it is a traitor or a gangster, it can't harm you! Children cannot be taught!" Then, the emperor passed away. - An arrogant young policeman and a foolish emperor from his previous life.