3.21

Duke Ai asked Zai Wo about the altar to the soil.

Zai Wo answered, “The Xia used pine and the Shang used cypress. But the Zhou, they say, used chestnut in order to instill the people with fear.”

After hearing about this, Confucius said, “Don’t try to explain what is already over and done with. Don’t try to criticize what’s already past. Don’t try to assign blame after something is past.”