Should We in Evangelism Approach Only Unbelievers or Also Members of Other Churches?

Does the church have a duty toward members of other churches where the full truth is not proclaimed, but rather where there exist errors? This article explains that we do have an obligation in this regard, in order to honour the prayer of the Lord Jesus for full unity here on earth.

Why We Belong – Toward a Theology of the Unity of the Church

This is a book about the unity of the church of Christ, and chapter 1 is a short theology of the unity of the church. This unity is a demonstration of God’s purpose of cosmic unity (Colossians 1:15-20). The church further displays the unity and uniqueness of God; the unity of the church reflects the glory of God.