Picture taken from the calligraphy work by Lee Chih-chang in
“Tao: The Watercourse Way” by Alan Watts
“Thirty spokes unite at the wheel’s hub;
It is the center hole that makes it useful.
Shape clay into a vessel;
it is the space within that makes it useful.
Cut out doors and windows for a room;
it is the holes which make it useful.
Therefore profit come from what is there;
Usefulness from what is not there.”
Lao Tzu – Tao Te Ching – Chapter 11
Meaning of the calligraphy work, Translation by Gia-fu Feng and Jane English