Keep your mouth shut, and close up the doors of sight and sound, and as long as you live you will have no vexation. But open your mouth, or become inquisitive, and you will be in trouble all your life long.
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.