"It is not enough to teach a man a specialty. Through it he may become a kind of useful machine but not a harmoniously developed personality."

"Life without playing music is inconceivable for me. I live my daydreams in music. I see my life in terms of music. I get most joy in life out of music."

"I am by heritage a Jew, by citizenship a Swiss, and by temperament a human being, and only a human being, without any special attachment to any state or national entity whatsoever."

"I am against any form of violence, for I know that violence only leads to more violence."

"Insanity: doing the same thing over and over again and expecting different results."