Derek defines "discerning of spirits" as the ability to recognize, identify and distinguish between various kinds of spirits that confront us. In this connection we need to bear in mind that the Christian ministry is a ministry in the spiritual realm. Ephesians 6:12 says we are not fighting enemies of flesh and blood or persons with bodies, but we are arrayed against an evil spiritual kingdom, spirits of wickedness. So it's essential that we are equipped to handle our spiritual enemies.