The mystical techniques for achieving immortality are revealed only to those who have dissolved all ties to the gross worldly realm of duality, conflict, and dogma. As long as your shallow worldly ambitions exist, the door will not open.
The fourth (of the four cardinal virtues) is supportiveness: this manifests as service to others without expectation of reward. (Paraphrased: Such service is not a mere conforming to some external rule of behavior, but instead a manifestation of your original nature).
When life begins we are tender and weak When life ends we are stiff and rigid All things, including the grass and trees, are soft and pliable in life and dry in brittle in death So the soft and supple are the companion of life While the stiff and unyielding are the companions of death An army that cannot yield will be defeated A tree that cannot bend will crack in the wind Thus by Nature's own decree the hard and strong are defeated while the soft and gentle are triumphant
To consider this desirable would be to delight in the slaughter of men; and he who delights in the slaughter of men cannot get his will in the kingdom.
He who regards the world as he does the fortune of his own body can govern the world. He who loves the world as he does his own body can be entrusted with the world.