When I solve a problem or equation that seems impossible, it’s like there’s some kind of light breaking through, or the knowing leads to some kind of satisfaction . . . and maybe joy. Or when I walk outside on a spring afternoon and the first crocus is born from the snow and the sunlight runs across the spider webs like messengers from tree to tree, that’s when I remember something, something I’ve forgotten and is waiting for me, something larger than me. And then it’s gone. And I want it back. I think that’s what Mr. Lewis is talking about.” “Like when you finish a story and you wish you
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