The Chinese people are the foundation of the world, and the people of the four barbarians are all on the same branches and leaves. They disturb the roots and thicken the branches and leaves in order to seek long-term peace, which is not possible!
Using copper as a mirror, you can straighten your clothes; using ancient times as a mirror, you can know the ups and downs; using people as a mirror, you can understand gains and losses.
The king depends on the country, and the country depends on the people. Carving the people to serve the king is like cutting off the flesh to fill the belly. If the belly is full, the body will die. The king will be rich but the country will perish.