Richard Bauckham succinctly identifies the issue:
But how to do it? Perhaps by means of an enduring sense of the restlessness of theological work and biblical interpretation, a refusal to settle, an unease with answers (especially if these seem to resemble that answers we were looking for or felt we needed). Perhaps by keeping the cross at the centre, and by practicing the deconstruction that characterized the teaching of Jesus and the theology of Paul.
Just a thought.