From Rowan Williams

"To assume the right to judge, or to assume that you have arrived at a settled spiritual maturity that entitles you to prescribe confidently at a distance for another's sickness, is in fact to leave others without the therapy they need for their souls; it is to cut them off from God, to leave them in their spiritual slavery — while reinforcing your own slavery. Neither you nor they have access to life — as in the words of Jesus, you have shut up heaven for others and for yourself. But the plain acknowledgement of your solidarity in need and failure opens a door: it shows that it is possible to live in the truth and to go forward in hope. It is in such a moment that God gives himself through you, and you become by God's gift a means of connecting another with God. You have done the job you were created to do.

Saint Anthony of the Desert says that gaining the brother or sister and winning God are linked. It is not getting them signed up to something or getting them on your side. It is opening doors for them to healing and to wholeness. Insofar as you open such doors for another, you gain God, in the sense that you become a place where God happens for somebody else."

- Rowan Williams, Where God Happens, 23ff