This definition of political, diplomatic intelligence but applied to a version of how personal (cognitive, mental) intelligence works:
Intelligence – whether rumour, gossip, hearsay or clandestine leaks – was central to ambassadorial activity.
Clare Jackson reviewing Lying Abroad: Henry Wotton and the Invention of Diplomacy in LRB Vol 48 No 4
Options for the modern-day workplace, from Lucien Febvre and Henri Jean-Martin’s The Coming of the Book
Yet journeyman printers were proud of their trade and their knowledge; they formed a distinct caste. To make it clear they were not mere mechanics they carried a sword. Quarrelsome and hasty, they insulted each other frequently and sometimes fought. Fines were imposed against anyone who slandered a fellow worker : at Plantin-Moretus they even recorded the scale of charges for each insult in the rules of the workshop.
A form of economic resignation, which I would quite like to apply artistically which I would like to see applied artistically to some situation or character today:
…so that it became practically impossible for [journeymen printers] to look forward to becoming masters unless they resigned themselves to marrying the widow of a deceased master
(I always like the process of taking artefacts from a previous time and applying them in the modern world)