No matter what your work, let it be your own. No matter what your occupation, let what you are doing be organic. Let it be in your bones. In this way, you will open the door by which the affluence of heaven and earth shall stream into you.
The joy of all mysteries is the certainty which comes from their contemplation, that there are many doors yet for the soul to open on her upward and inward way.
We put thirty spokes to make a wheel: But it is on the hole in the center that the use of the cart hinges. We make a vessel from a lump of clay; But it is the empty space within the vessel that makes it useful. We make doors and windows for a room; But it is the empty spaces that make the room livable. Thus, while existence has advantages, It is the emptiness that makes it useful.
To exercise at or near capacity is the best way I know of reaching a true introspective state. If you do it right, it can open all kinds of inner doors.
Come, live with the doors of the senses guarded, diligent and mindful, vigilant and mindful, with the ways of the mind well watched, possessed of a mind that is awake and observing.