The scarlet thread

In contrast to modern liberals (who might see no unifying theme in Scripture) and in partial contrast to modern conservatives (who tend to organize Scripture around concepts such as the covenant or the dispensations which have governed God's dealings with humanity), the church fathers tended to see the scarlet thread, the unifying theme of Scripture, as Christ. Again, this unifying theme places the emphasis in a rather different place than we do. We today start with ourselves and ask how God relates to us. The church fathers started with God, and especially with Christ, and asked how we participate in Christ. This is why virtually all of patristic thought saw theosis - humanity's becoming somehow a participant in the divine life - as the link between God and humanity.

(p. 115, Don Fairbairn, Life in the Trinity)