Then there was a long period of Aryan migration, and by Aryans we do not mean like prehistoric Nazis, we mean people from the caucuses who migrated down to the Indogagagag... Can you...? Stan, can you just spell it for me? Thank you. We know about these Aryans primarily because they left behind religious texts, the earliest of which is called the Vedas. The Vedas are also the earliest text of what will come to be known as Hinduism, although it wasn't known as Hinduism then. And they're responsible for tons of stuff, but we only have ten minutes, so let's just cut to Part 2, the caste system. The caste system is one of India's most enduring and fascinating institutions.