People read nonfiction to learn and to feel. My framework for ensuring a blog post accomplishes both is to start with a first draft that focuses on "novel" ideas.

A novel idea is one that's not just new to the reader, but also significant and not easily intuited. Think of it as new and worthwhile . I've identified five categories:

• Counter-intuitive —

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I believe the formula I've given you, importance + novelty + correctness + strength, is the recipe for a good essay.