Reading about the AV one or two things have come to light or I have been reminded of. The connection between Shakespeare and Psalm 46 in the KJV is initeresting and goes to prove what I long ago learned - that coincidences are common. Another example of this sort of thing would be the coincidences between the assasinated US presidents Lincoln and Kennedy. A more recent thing like this is the observation that one of the planes that hit the twin towers on 9/11 had the number Q33NY which when converted to wingdings is this:
Bonhoeffer uses a similar phrase 'worldly Christianity'. It's J Gresham Machen that I want to line up most closely with. See his Christianity and culture here. Having done commentaries on Proverbs (Heavenly Wisdom) and Song of Songs (Heavenly Love), a matching title for Ecclesiastes would be Heavenly Worldliness. For my stance on worldliness, see 3 posts here.