"I did a lot of good work for the rest of the forty years... science is an incremental thing. Everything builds on everything else, it's a pattern, it's a mosaic."

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I could say that all my books were conceived by the time I was twenty, although they were not to be written for another thirty or forty years. But perhaps this is true of most writers—the emotional storage is done very early on.

— Marguerite Yourcenar