Long ago, two tribes hated each other. After a big war, only two people stood up. They looked at each other, ready for the final battle. However, at this time, wild animals appeared, and the appearance of different species will inevitably lead to the alliance of the same species, even if hatred is as deep as the sea.

So the two men relied on each other back to back and defended each other, thus surviving the crisis. Simple people understand that back-to-back strength is necessary to become a human species. Therefore, the ancient tribes explained the species of "man" from back to back.

Extended data:

Ren, a Chinese noun in China, is pronounced Renn, a hieroglyph. Represents an upright animal who knows how to bow and how to be humble. The reason why people can bow their heads is because they can think in their hearts and understand the lack of personal strength and need to cooperate with others.

People are born vertically (excluding caesarean section), which distinguishes them from animals born horizontally. This is an obvious feature of people's innate spirituality and higher consciousness.

The meaning of human (pinyin: rén): a mammal with moral attributes, capable of using language, complicated social organization and scientific and technological development, especially able to establish groups and institutions to achieve the purpose of mutual support and help.

1. Advanced intelligent animals made in forests can make and use tools for labor and communicate through language.

2. others, others.

3. People's quality, temperament and reputation: humanity, shame, writing and reputation.

4. According to textual research, the earliest meaning of the word persona-Latin is the title of settlement leader in primitive society. Moreover, it is a person wearing a mask, and there is no difference between East and West!