"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."

"The more I learn, the more I realize how much I don't know."

"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."

"He called the patent office 'that worldly cloister where I hatched my most beautiful ideas'."

"Anyone who has never made a mistake has never tried anything new."