"A Course in Miracles" offers steppingstones and metaphors that point to the change of mind it takes to make a future different from the past. When you have gone through a phase of changing the mind this way, you dip into deeper states of mind called mysticism. Here, you begin to discover the sameness of the world and start to question even the idea of linear time, and the idea that the future could be different from the past. "The past is gone, the future but imagined. These concerns are but defenses against present change of focus in perception." (W . . .