In the world there is nothing more submissive and weak than water. Yet for attacking that which is hard and strong nothing can surpass it.

The small is easy to scatter.

Because every portion of the body, mind, and spirit yearns for the integration of yin and yang, angelic intercourse is led by the spirit rather than the sexual organs. . . . Where ordinary intercourse unites sex organs with sex organs, angelic cultivation unites spirit with spirit, mind with mind, and every cell of one body with every cell of the other body.

Love is of all passions the strongest, for it attacks simultaneously the head, the heart and the senses.

Spokes unite in the hub of a wheel.

Clay is molded to form a cup, But it is on its non-being that the utility of the cup depends. Doors and windows are cut out to make a room, But it is on its non-being that the utility of the room depends. Therefore turn being into advantage, and turn non-being into utility.

What is firmly rooted cannot be pulled out