He who has achieved this state Is unconcerned with friends and enemies, With good and harm, with honor and disgrace. This therefore is the highest state of man.
In order to contract, It is necessary first to expand. In order to weaken, It is necessary first to strengthen. In order to destroy, It is first necessary to promote. In order to grasp, It is necessary first to give. This is called subtle light. The weak and the tender overcome the hard and the strong.
The sage wears clothes of coarse cloth but carries jewels in his bosom; He knows himself but does not display himself; He loves himself but does not hold himself in high esteem.
There is one appointed supreme executioner. Truly, trying to take the place of the supreme executioner is like trying to carve wood like a master carpenter. Of those who try to carve wood like a master carpenter, there are few who do not injure their hands.
Clay is fashioned into vessels; it is on their empty hollowness that their use depends. Doors and windows are cut out to make a dwelling, and on the empty space within, its use depends. Thus, while the existence of things may be good, it is the non-existence in them that makes them serviceable.