"One of your letters begins with a quotation from one of my own . . . Says Buddha " you have to get rid entirely of the subjects of impermanence composing the body that your body should become permanent. The permanent never merges with the impermanent although the two are one. But it is only when all outward appearances are gone that there is left that one principle of life which exists independently of all external phenomena. It is the fire that burns in the eternal light, when the fuel is expended and the flame is extinguished; for that fire is neither in the flame nor in the fuel, nor yet inside either of the two but above beneath and everywhere—(Darinirvana Sutra kwnen XXXIX)."