We should respect our parents just because they are our parents, but that teaching is just the very outer layer of this commandment. Underneath it is instruction in divine metaphysics because your real father and mother is God. In the Bible, mother means the feeling nature, and the father is the knowledge nature.
Most people have one side or the other more developed.
When our prayers fail and we do not demonstrate, we fail because we are not honoring our father and our mother. From Around the Year With Emmet Fox .