"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!"

“According to the generation is the music thereof.”

“The soul is imprisoned in the body, and the Lord... built two windows in the wall of the prison... Unfortunately, the windows have curtains—eyelids; and a man whose soul is impure, feeling himself scrutinized, lets down the curtains and conceals the soul.”

“To be of the eternal, you must be of the earth.”

“Don't assume, Jewish intellectuals, that you are doing your duty by working... for so-called Humanity.... You are lighting a fire beneath the open sky, while your own family in your own house is freezing.”

“is a denial of this world, a severance from reality, an abdication, a means of redemption from, not for, life.”

“They are all so-called Christian nations, but... this superimposed religion... does not penetrate into the core of their souls. It has no relation to their daily experience... It is a key to open a heaven after death and not a key with which to force open the portals of this life.”