[...] Furthermore, I am deeply averse at present to any enterprise, let it call itself what it will. I shall take care of myself a little, and content myself modestly by doing some composition for Parsifal. [...]
Source: Letters of Richard Wagner, Vol. 2, selected and ed. Wilhelm Altmann, trans. M. M. Bozman (J. M. Dent & Sons, 1927), No. 709