Lives above them, but the citizens are not burdened.
Lives in front of them, but the citizens are not harmed.
Thus the world is pleased to promote him, and does not
tire of him.
Because he does not strive,
Therefore no one in the world can strive against him.
POST-GUODIAN
Eleven
Thirty spokes of a wheel share one hub;
In its emptiness exists the usefulness of the cart.