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 culturehere. 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.
10 Famous pigs (fictional)
1. Babe 2. Old Major 3. Snowball 4. Piglet 5. Porky Pig 6. Wilbur (Charlotte's Web)