Nevertheless, lest we should offend them: go to the sea and cast in thine angle, and take the fish that first cometh up: and when thou hast opened his mouth, thou shalt find a piece of twelve pence that take and pay for me and thee. ... Woe be unto the world because of evil occasions. It is necessary that evil occasions be given, nevertheless woe be to that man, by whom evil occasion cometh. ... And it followed when Iesus had finished those sayings, he gat him from Galilee, and came in to the coasts off jewry beyond Iordan, and much people followed him, and he healed them there.
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.