One closed line

Symbols of return and rebirth

Marks that have no outside.

1. 1
   OuroborosThe serpent that eats itself, and so has no outside.
2. 2
   JörmungandrThe serpent around the world of men. Not the alchemical tail-eater.
3. 3
   EnsōOne brushstroke, usually left unfinished.
4. 4
   Yin and yangTwo phases of one motion, each carrying the seed of the other.
5. 5
   InfinityA typesetter’s sign that escaped into metaphysics.
6. 6
   Möbius stripA strip with a half-twist. One side. One edge. A dated invention.
7. 7
   Endless knotA line with no start, so nothing in it stands alone.
8. 8
   Vesica piscisTwo equal circles, each through the other’s center. A third shape appears.