The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.
The first question I ask myself when something doesn't seem to be beautiful is why do I think it's not beautiful. And very shortly you discover that there is no reason.
Art is contemplation. It is the pleasure of the mind which searches into nature and which there divines the spirit of which nature herself is animated.
The act of writing is an act of hope.