Hellenistic or Koine (meaning common) Greek has been proved to be the language of the New Testament period through the discoveries among the Greek papyri.
'Those who formerly didn't even own sandals now hold treasures, and those who once wore precious robes go about in rags, ' the ancient papyrus tells us.
The word paper derives from papyrus, the name of a riverside plant similar to grass, from which an ancient form of paper was used in Egypt and Mesopotamia.
The Babylonians we know a lot more about, because they wrote on clay tablets and, unlike papyrus, clay survives very well in the ground over thousands of years.
There, in Luxor, he bought this papyrus, which turns out to be the largest mathematical text we know, not just from Egypt but from anywhere in the ancient world.