To take a simple secret and perform it in a way that looks like magic is extremely difficult.

WSJ: Years of Magical Thinking

They both understand a simple secret: If they just promise to get their house in order, if just given time, their neighbors must eventually come and clean up the garbage themselves.

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The secret to knowing if your presentation works really is this simple, and yet it is a challenge, because it means breaking old, ingrained habits.

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