I think it's really more an assertion that you can create your own sense of reality without depending on someone else's rules or definitions. Thus the image of writing on a blank wall. If she's denying the idea of original sin, it's probably based on the same idea. It's pretty depressing to think that as humans we're already predestined for sin. It's really our attitude and actions that dictate whether or not we're sinful creatures.
I think it's really more an assertion that you can create your own sense of reality without depending on someone else's rules or definitions. Thus the image of writing on a blank wall. If she's denying the idea of original sin, it's probably based on the same idea. It's pretty depressing to think that as humans we're already predestined for sin. It's really our attitude and actions that dictate whether or not we're sinful creatures.