There are melodies that must have words... and melodies that sing themselves without words. The latter are of a higher grade. But these, too, depend on a voice and lips,... hence are not yet altogether pure, not yet genuine spirit. Genuine melody sings itself without a voice. It sings inside, within the heart, in man's very entrails!
Mekubolim, 1906. Alle Verk, vi. 53.