I thought this deserved a post, it seems a little larger than just a typo.....see picture below, I am looking at John Piper's 1994 sermon, "The Prayers of the Saints and the end of the world" in Sermons from John Piper (1990-1999). All the circled passages refer to John 6, yet note the Piper reflection is referring to the opening of the seven seals, which REVELATION 6:
