There was an encouraging turn out for our latest lecture at the Evangelical Library last Monday. Norman Hopkins, who knows his history well and can put ti over well, spoke on some of the church history in connection with Kent mentioning various Lollards and later Reformers. It was a treat to be there.
The similar phrase 'Worldly Christianity' is one used by Bonhoeffer. 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.