Ethics.

Ethics (ἠθικόν) means "moral nature" in Greek language. This science is a part of another study philosophy.

In Ancient Greece Plato and Socrates studied ethics. So, science about human behavior had a long and interesting history.

Ethics had a Golden Rule: "the principle of treating others as you want to be treated."

Students study this science during school lessons. Also, ethics can be part of social studies. Teachers teach children good behavior.

Etiquette had many rules about society and relationships. What can and can't people be asked about. How to start conversations in a place. Good manners are important for etiquette and ethics.

This science changed through history. Many different aspects had their own unique rules for behavior.

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