„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 …!“
— Theodor Reuss German singer 1855 - 1923
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)