I love Iain Murray's definition of worldliness: towards the end of Evangelicalism Divided, he says that worldliness consists of loving idols and being at war with God. I think that's true in the lives of too many professing Christians today.
Mark DeverAll evangelists want to do is share a message about the forgiveness of sins and reconciliation with God. But our world is confused by the confidence we have in the gospel, and is threatened by it. Satan, I am sure, causes those things to echo in the world to increase this sort of common confusion.
Mark DeverAs long as quick numerical growth remains the primary indicator of church health, the truth will be compromised. Instead, churches must once again begin measuring success not in terms of numbers but in terms of fidelity to the Scriptures.
Mark Dever