The narrow slit in the fence is much like the way in which we look at life by conscious attention, for when we attend to something we ignore everything else. Attention is narrowed perception. It is a way of looking at life bit by bit, using memory to string the bits together—as when examining a dark room with a flashlight having a very narrow beam. Perception thus narrowed has the advantage of being sharp and bright, but it has to focus on one area of the world after another, and one feature after another. And where there are no features, only space or uniform surfaces, it somehow gets bored
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