If the genius of invention were to reveal to-morrow the secret of immortality, of eternal beauty and youth, for which all humanity is aching, the same inexorable agents which prevent a mass from changing suddenly its velocity would likewise resist the force of the new knowledge until time gradually modifies human thought.
Beyond the grave they will find nothing but death. But we shall keep the secret, and for their happiness we shall allure them with the reward of heaven and eternity.
Life! Life! Don't let us go to life for our fulfilment or our experience. Life makes us pay too high a price for its wares, and we purchase the meanest of its secrets at a cost that is monstrous and infinite.
The great secret of morals is Love; or a going out of our own nature, and an identification of ourselves with the beautiful which exists in thought, action, or person, not our own.
My brain is only a receiver, in the Universe there is a core from which we obtain knowledge, strength and inspiration. I have not penetrated into the secrets of this core, but I know that it exists.
Really, the fundamental, ultimate mystery -- the only thing you need to know to understand the deepest metaphysical secrets -- is this: that for every outside there is an inside and for every inside there is an outside, and although they are different, they go together.