I attack both from the logic-side, scribbling outline after outline, and the long-walk relaxed-visualization-side, and while neither alone is enough,… - Lois McMaster Bujold

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I attack both from the logic-side, scribbling outline after outline, and the long-walk relaxed-visualization-side, and while neither alone is enough, the combination synergizes. Which is just a fancy way of saying, "I think about it a lot, day and night."