Doubt.

Doubt thyself.

Doubt even if thou doubtest thyself.

Doubt all.

Doubt even if thou doubtest all.

It seems sometimes as if beneath all conscious doubt there lay some deepest certainty. O kill it! Slay the snake!

The horn of the Doubt-Goat be exalted!

Dive deeper, ever deeper, into the Abyss of Mind, until thou unearth the fox THAT. On, hounds! Yoicks! Tally-ho! Bring THAT to bay!

Then, wind the Mort!

     The number 51 means failure and pain, and its subject is appropriately doubt.
     The title of the chapter is borrowed from the health-giving and fascinating sport of fox-hunting, which Frater Perdurabo followed in his youth.
     This chapter should be read in connection with "The Soldier and the Hunchback" of which it is in some sort an epitome.
Its meaning is sufficiently clear, but in paragraphs 6 and 7 it will be noticed that the identification of the Soldier with the Hunchback has reached such a pitch that the symbols are interchanged, enthusiasm being represented as the sinuous snake, scepticism as the Goat of the Sabbath. In other words, a state is reached in which destruction is as much joy as creation. (Compare Chapter 46.)
     Beyond this is a still deeper state of mind, which is THAT.