“Gurnemanz is still not absolutely certain that Parsifal is pure and a fool, as he makes the decision to lead Parsifal to the castle of the Graal, for Gurnemanz sang after they both had walked a while: Now pay attention, and let me see, if you are a fool and if you are pure…! — The test, if he is a pure fool, shall come to Parsifal first in the Temple of the Graal! This point cannot be worked out further here.”

II. Main Part : The Unveiling of the Secret.
Parsifal and the Secret of the Graal Unveiled (1914)
Context: Now it remains only to show what the conception grace of the highest miracle, seeks in the greatest holy heater with last love-meal in sacred vessel flowing as longed for by the Knights. What in short — is the Graal!
But Parsifal does not ask in the first act: What is the Graal, Parsifal asks, Who is the Graal? — and why does Wagner not have Parsifal say: What is the Graal? — Here lies hidden a profound mystery! So Parsifal asks (with underlying intent of the author): Who is the Graal? — and Gurnemanz answers quite revealingly: That one does not say!

Source: On Writing: A Memoir of the Craft

Dogs
The Note-Books of Samuel Butler (1912), Part XIV - Higgledy-Piggledy

Source: Time Tunnel (1964), Chapter 2 (p. 24).

Source: The Time Keeper

Source: Uglies

"O Russet Witch!"
Quoted, Tales of the Jazz Age (1922)
Context: Merlin went up-stairs very quietly at nine o'clock. When he was in his room and had closed the door tight he stood by it for a moment, his thin limbs trembling. He knew now that he had always been a fool.
"O Russet Witch!"
But it was too late. He had angered Providence by resisting too many temptations. There was nothing left but heaven, where he would meet only those who, like him, had wasted earth.

"Inscription On A Lipstick" in The Garment Worker Vol. 41 (1941), p. 10.