Probably because of cultural differences.
Farming civilization told the nomads to sow grain quickly in the spring so that they could receive the goods in the autumn and would not go hungry. He only felt that everything on the steppe could be plundered, and that nothing was needed for farming.
A nation with such a profound cultural heritage and a nation without cultural accumulation say that everyone can live in harmony and share with each other, so that the people can live in peace and history can last. He will only think that unearned possession is not fragrant.
It's like when your parents asked you to study, you just wanted to play. This is all cognitive differences caused by accumulation. And when one person accumulates into a group of people, and then accumulates into a nation, this is a cultural difference.
The hearts of non-my race will be different, playing the piano to the ox, talking to the summer worms, and talking about the vastness of the heavens and the earth to the frogs at the bottom of the well, which is more or less the same.
![Perfect: Why does the Heavenly Pavilion accept disciples of the opposite sex? Don't you know that "if you are not of my race, your heart will be different"? 1. Mission of the Millennium 2. A double-edged sword 3. Weak strength[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)