The differences (at least the significant ones) come down to a single issue: Should one interpret the Course as being primarily literal or primarily metaphorical? At the Circle, we approach it as primarily literal. We see it as a “course…that means exactly what it says” (T-8.IX.8:1).
Though Wapnick uses this same quote to support his way of interpreting the Course, his main emphasis is quite different. He teaches that anything in the Course which implies what he calls “duality”—which amounts to the majority of the Course’s language (“Jesus’ teachings come largely within a dualistic framework”)—should be seen as a metaphor.
What is duality? It is anything that seems to suggest that there are two realities: the oneness of Heaven and something else. Duality, as Wapnick treats it, seems to include the following ideas: