The renovation of civilization can not eliminate the old subconscious hidden in the human heart, but the individual in the rational state suppresses them, while the group can temporarily relieve this individual repression, which can make the subconscious vividly show its behavior at some time. Each era has its own new vocabulary, as if the accusation of ignorance by people in the civilized era shows that they have completely separated themselves from ignorance and do not deny the progress of human civilization, but obviously this progress is not as great as the exaggeration of new terms.