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.

The Tao that can be told is not the eternal Tao. The name that can be named is not the eternal Name.

Wary, as if surrounded by strangers.

Take time to listen to what is said without words, to obey the law too subtle to be written, to worship the unnameable and to embrace the unformed.

To see things in the seed, that is genius.

What's the difference between beautiful and ugly?

Filling life exceedingly is called ominous.