Oh wow, this is a big topic for a five-year-old, but I'll do my best!
Okay, so you know how some people really like to think about big ideas, like why we're here and what our purpose in life is? Well, a long time ago, there was a man named Pope Pius XII who talked about something called the "Pontifical Man." Basically, he was saying that people are special because we can think about those big ideas and try to make the world a better place. He thought that people should look to God and have faith in order to do that.
Now, another man named Teilhard de Chardin had different ideas. He said that humans are special because we can do things like make tools, build houses, and create technology. He called this the "Promethean Man," named after a Greek god who brought fire to people. Teilhard de Chardin believed that we should use our intelligence to improve the world and make it a better place.
So, you can think of it like this: the Pontifical Man is all about faith and looking to God for guidance, while the Promethean Man is all about using our intelligence and creativity to make the world a better place. They are two different ways of thinking about what makes humans special and how we can make the world a better place.