The Guardian – Editorial 
You can’t see it, smell it, hear it. People disagree on how, precisely, to define it, or where, exactly, it comes from. It isn’t a school subject or an academic discipline, but it can be learned. It is a quality that is required by artists. But it is also present in the lives of scientists and entrepreneurs. All of us benefit from it: we thrive mentally and spiritually when we are able to harness it. It is a delicate thing, easily stamped out; in fact, it flourishes most fully when people are playful and childlike. At the same time, it works best in tandem with deep knowledge and expertise.
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