The barbarism of human beings is inherent in the genes of the species.

The process of human confrontation with nature is the process of species killing each other.

There is an accurate description of this killing in nature—

Nature will select species that eventually conform to the evolutionary trend to keep, and continue to eliminate species that cannot adapt.

After countless years of development, the entire natural world has reached today's civilized society, but the cruelty and savagery in the genes of species are against killing

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