The Beast's Blood Boils, Why Do You Want to Harm Me?

Is there a beast hidden in the human heart? From a material point of view, the genetic similarity between humans and animals is 60%-99%. What is the difference between humans and beasts? Wisdom? If it is wisdom, does that mean we are all intelligent beasts? Does anyone have the body of a beast? Ordinary cities, are they really like this on the surface? Is the truth being hidden? Is there a group of inhumans hiding in this seemingly ordinary world, walking in the dark?