It is incontrovertible that sometimes things get done better when you’re doing something else.
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Some interruptions are worth having if they create a space for something to work in the fertile unconscious. Indeed, some distractions are more than useful; they might be more like realizations and can be as informative and multilayered as dreams.
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There might be more to our distractions than we realized we knew. We might need to be irresponsible. But to follow a distraction requires independence and disobedience; there will be anxiety in not completing something, in looking away, or in not looking where others prefer you to.
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In the end, a person requires a method. He must be able to distinguish between creative and destructive distractions by the sort of taste they leave, whether they feel depleting or fulfilling.
Hanif Kureishi in the New York Times.