How Did They Create Super Power Schools?

In humans, what we find is that some person and later some groups get to the top, they have all this power. They stay in power their whole life and then their children gain the power. So he says, how did they do that? They can't use physical force for that. It doesn't really work for large numbers of people because you can think about it like even if you are the biggest, strongest man, nobody can beat you, right? But eventually someone bigger will come.