Assault on Christ’s person is an assault on the gospel. A compromised Christology inevitably will wreck the salvation of sinners.
Stephen Nichols gets this connection with crystal clarity. His just-published For Us and For Our Salvation: The Doctrine of Christ in the Early Church (Crossway, 2007) points time and again to the vital union between Christ’s person and the gospel. Jesus is one person with two natures. And the reason he took on the second nature was “for us and for our salvation” (in the words of Athanisus).1