The Nameless Quest in The Gate of the Sanctuary from The Temple of the Holy Ghost (Collected Works, Vol I) by Aleister Crowley.

“Mine eyes had fixed them on the sphinx, the sky.
‘Is then this quest of immortality?’
And echo answered from some unseen caves:
Mortality! I shrink, and wonder why.
Strange I am nothing tainted with this fear
Now, that had touched me first. For I am here
Half-way I reckon to the field of salt,
The pillar, and the bones—it was a fault
I am cured of! praise to God!” [via]