" The church is called to be a critic of the state when the state fails to obey its mandate under God. For example, in the controversy over abortion, when the church is critical of the state with respect to the idea of abortion, people are angered and say, “The church is trying to impose its agenda on the state.” However, the primary reason that government exists is to protect, maintain, and support human life. When the church complains about the abortion laws in America, the church is not asking the state to be the church. The church is asking the state to be the state. It is simply asking the state to do its God-ordained job. "

― R.C. Sproul , What Is the Relationship between Church and State? (Crucial Questions Series Book 19)