The Constitution of the United States is not a mere lawyers' document; it is a vehicle of life, and its spirit is always the spirit of the age.

A great work is made out of a combination of obedience and liberty.

I adore tradition. I cannot stand habit. Simply to repeat is nothing, also to destroy is nothing. Tradition is never interrupted, we are always evolving but never interrupted.

Art is not emotion. Art is the medium in which emotion is expressed.

It is nothing to succeed if one has not taken great trouble, and it is nothing to fail if one has done the best one could.

To study music, we must learn the rules. To create music, we must break them.

Great art likes chains. The greatest artists have created art within bounds. Or else they have created their own chains.