Unlike so many other writers in the field of religion (on both ends of the spectrum), Marcus was humble. Once one of my parishioners asked him during Q&A, “But how do you know that you’re right?” He paused, looked at her thoughtfully, and said, “I don’t know. I don’t know that I’m right.”
From http://www.episcopalcafe.com/breaking-marcus-borg-has-died/