spiritual algebra
Just when you think you've heard it all......
The examples in the Book are helpful, but the concepts are still difficult for a rational mind to understand. Memorizing and debating the material is doable, but an understanding seems to require a shift in perspective.
Matthew 18:3 - And said, Verily I say unto you, Except ye be converted, and become as little children, ye shall not enter into the kingdom of heaven.