At the heart of our philosophy of the church’s responsibility toward culture is a proper understanding of how God rules sovereignly over all things, how he specifically rules his redeemed people—particularly now the NT church, and how his rule will culminate in the future. Another way of saying this is that central to a biblical philosophy of cultural engagement is how Scripture uses language like “rule,” “reign,” and “kingdom” to describe God’s plan in history, and essential to this understanding is recognition that Scripture uses these kinds of “kingdom” terms to describe a couple different concepts in God’s working out of his sovereign plan.

You can read this post here: https://g3min.org/gods-two-kingdoms