Although it does seem highly symbolic, I think we are dealing with that which is quite literal, for we are still talking about heaven. Even the leaves of the tree are beneficial—they have a medicinal value. Why healing is needed in a perfect universe is a very good question and a difficult problem to solve. Perhaps it is a sort of first–aid kit which demonstrates the old adage, “An ounce of prevention is worth a pound of cure.” I personally believe that the bodies of the earth dwellers in eternity