Chapter One opens with fixing the spirit in the tsu chiao, original cavity of spirit in between the eyes. Withdrawing the senses so as to have the best start when preparing the elixir of immortality.
It is the focusing of this at the cavity of vitality that produces the true vitality and the accumulation of such, and after long training, unites with eternal life to become one whole.
Just this one simple tactic is half the battle of anapana.
Let's proceed