"Poetic language features an iconic rather than a predominantly conventional relationship of form and content in which all language (and cultural) elements, variant as well as invariant, may be involved in the expression of the content.", "Analysis of the Poetic Text."

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And extracting one molecule's signature in spectral analysis from the rest of the signatures is hard work, sort of like picking out the sound of your toddler's voice in a roomful of screaming children during playtime. It's hard, but you can do it.

— Neil deGrasse Tyson