The reading from Revelation 22 concludes the book’s resurrection songs: the baptized enjoy the fruits of the tree of life. But the tree is not merely one of the countless archetypal trees that religions and cultures everywhere have imagined.
Although in the final chapter of Luke the ascension occurs on Easter Day, in the Acts of the Apostles the imagery of 40 days intensifies the story line. It is also mythically alive, a time pregnant with a religious future.
Many preachers, facing the summer lectionary in Year B, ask why there are five weeks of John 6. The simplest answer is that the first draft of this three-year lectionary was designed by Roman Catholics, who treasure this chapter and enact it in their daily Eucharist. Subsequent revisions of the lectionary sought to keep at least the Gospel readings untouched.