"...Who, as he was a happie imitator of nature, was a most gentle expresser of it.
His mind and hand went together:
and what he thought, he uttered with that easinesse,
that wee had scarse received from him a blot in his papers."
- John Heminger & Hanrie Condell on Shakespeare,
Extract from the preface to the First Folio of 1623
Original human figure diagram represent's Blaschko's Lines - credit to Davide Brunelli, Med Art.