The only true love is love at first sight; second sight dispels it.

Dead men hear no tales; posthumous fame is an Irish bull.

Artistic truth is for me literally the highest truth: art may seize the essence of persons and movements no less truly, and certainly far more vitally, than a scientific generalization unifies a chaos of phenomena. Time and Space are only the conditions through which spiritual facts struggle. Hence I have here and there permitted myself liberties with these categories.

Until mankind heeds the message on the Hebrew trumpet blown, and the faith of the whole world's people is the faith that is our own.

Selfishness is the only real atheism; aspiration, unselfishness, the only real religion.

O God... make me a child again, even before I die; give me back the simple faith, the clear vision of the child that holds its father's hand.

[T]he German censorship forbade or mutilated my every book, which was like sticking pins into my soul.