"An 'innocent' said the wordsmith is old language in the tongue of spell craft for 'in nose scent' or 'in knows sent' - it is a contraction of the phrase, 'from the mouths of babes.' All children are thus born as 'innocents.' The 'scent' aspect of the word we suppose is linked to the idea of wrong-doers 'stinking' as the olfactory sense is the same part of the brain as moral disgust - the medulla insular cortex.