We all, whether we are poets or scientists, or just going about the business of daily life, have to begin somewhere, by a leap of intuition, as to what kind of thing it might be we are dealing with – not just any leap, of course, always a guided one, but nonetheless fallible and uncertain. Depending on where and how we leap is what we find. And depending on what we find is what we will find in due course, since it begins the process of hardening things up into what we call a certainty. What we do not expect to find, we just will not see: much elegant research demonstrates that we are
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