The philosophy of Ancient Greece has a significant influence on modern thinking.

He is a world-famous mathematician.

He is a famous author and a person who is respected by many people.

He calculated the length of the sides of the triangle using the Pythagorean theorem.

I learned about Pythagoras' theorem in math class.

He is learning Ancient Greek language.

Pythagoras was an ancient Greek mathematician.

I want to go to Greece.

I love mathematics.

This ancient artifact is very valuable.