At some point in life the world's beauty becomes enough. You don't need to photograph, paint or even remember it. It is enough. No record of it needs to be kept and you don't need someone to share it with or tell it to. When that happens — that letting go — you let go because you can.
Bio: Robert Nozick was an American philosopher who was most prominent in the 1970s and 1980s. He held the Joseph Pellegrino University Professorship at Harvard University, and was president of the American Philosophical Association.