Great people: Socrates.

 Socrates (Σωκράτης) was a philosopher in Ancient Greece. He was born in 470 B. C., in Athens. His parents were Sophroniscus and Phaenarete.

Socrates studied ethics, too. His era was Ancient Greek philosophy. Plato (Πλάτων), Xenophon (Ξενοφῶν), and Aristippus (Ἀρίστιππος) were students of Socrates. 

Philosopher had his own ideas, such as: Socratic paradox, Socratic method, Socratic dialogue, and etc.

Socrates had wife and children.

He died in 399 B. C. in Athens.

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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Philosophy.

Philosophy (φιλοσοφία) is a study about knowledge and the mind. The word means "a love of wisdom" from Greek language.

Many different scientists of periods were interested in philosophy. Countries had unique views about world. Plato, Socrates, and Confucius were philosophers.

Also, philosophy created many other sciences, such as: sociology, ethics, aesthetics, psychology, and etc. People studied something with philosophical views.

This science can help make logical conclusions. Many religions have philosophical aspects.

Since ancient times people wanted to ask questions about life and the universe. Philosophical views have changed throughout history.

This science has influenced art and architecture in the countries. Philosophers wrote books, created paintings.

Students study philosophy during school lessons or in university.

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