CHAPTER 3

THE POWER OF FILTERING

Discern What Serves You

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Some ideas are better than others. The machinery for distinguishing them is an essential tool in dealing with the world and especially in dealing with the future.1

—Carl Sagan, astronomer and cocreator, Cosmos

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Our brains are wired to constantly seek new information. We need to develop our faculties of discernment, recognizing what matters and what helps us refine our thinking. A simple set of questions can help distinguish between what is useless and what is worthy of incorporating into ...

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