“In scientific thinking are always present elements of poetry. Science and music requires a thought homogeneous.”

“The development of science and of the creative activities of the spirit requires a freedom that consists in the independence of thought from the restrictions of authoritarian and social prejudice.”

“You are right in speaking of the moral foundations of science, but you cannot turn around and speak of the scientific foundations of morality.”

“To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.”

“I often think in music. I live my daydreams in music. I see my life in terms of music”

“The whole of science is nothing more than a refinement of everyday thinking.”

“If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music.”