To define means to fix, and, when you get down to it, real life isn't fixed. - Alan Watts

To practice with an end in view is to have one eye on the practice and the other on the end, which is lack of concentration, lack of sincerity.

You do not play a sonata in order to reach the final chord, and if the meanings of things were simply in ends, composers would write nothing but finales.

To be free from convention is not to spurn it but not to be deceived by it. It is to be able to use it as an instrument instead of being used by it.