More than 75 otherwise unknown documents from the early Christ movements of the first and second centuries have been discovered in the past 150 years. As they have been translated and studied, it's become clear that many of them belong to the very heart of Christian beginnings.
My sense of the meaning of Shavuot, a Jewish holiday that begins in the evening on May 14, has been deeply transformed by an ancient teaching from the Nag Hammadi library, a collection of Gnostic texts.
I took part in the February 2012 council that selected the 10 documents that ultimately made it into "A New New Testament." The texts we examined are far from perfect, just like the ones in the New Testament itself, or the Hebrew Bible for that matter.