"I didn't say 'worth leaving,'" he said, gently, reflecting his typical insistence on precision (one reason to have the authorized version of all your lyrics under your control). "I say they are the two most important things, the two things you can leave behind after you die. Well, you can leave a wake of bitterness. But those are the things that are immortal, that can immortalize a person. One of the things that Lapine pointed out to me (in "Sunday in the Park With George") is that those are actual people in that (Georges Seurat) painting and they've been immortalized by that man. That lady there is immortal. And all she was, was his mistress. And she's never going to die. That's what art does. And that's what children do. They somehow have a part of you that's not going to die."