Two of the principal sources of pleasure in the physical world are good food and bodily comfort, yet one single beautiful thought or one charming mental image may provide more pleasure and joy than all the beauty there is in the whole physical world. So we can see that when we raise the intelligence from the physical plane, and then even higher, we will come to a state of realization where we see that life is not really limited at all; that it too is unlimited. It is when our experience is confined to the lower phases of existence that we find that our life is limited. Herein lies the whole tragedy of life.