A world without death would have no beauty, no yellow leaves in the autumn. It would be boring. There would be no change because change implies death. A world without death would be a frozen world. The fact is that we want to make the world better than God does.
It [realization of Oneness] means being constantly open to the possibility that we are like two flowers looking at each other from two different branches of the same tree, so that if we were to go deep enough inside to the trunk, we would realize that we are one. Just being open to this possibility will have a profound effect on your relationships and on your experience of the world.