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.
23:15 Shaky but safe start for Wales
Wales defeated a very strong Italy in the opening game of the Six Nations 23:15.
(Above - Cuthbertson scores Wales first try) (And England lost to France!)