Penetration is the skill of passing through your own self to the SELF that sustains the whole universe.
To profit fully from this skill you should have grasped the principles explained in the chapters on SILENCE and SPACE.
If you want to learn how to become more aware of the deepest SELF from which your own unique personality derives, proceed!
Mystical
meditation
leads on to meeting the Origin
whose image you reflect in
your inner self.